Laser level

Geometrical instruments – Straight-line light ray type – Rod or target

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C033SDIG021

Reexamination Certificate

active

11331991

ABSTRACT:
A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel, and a screw disposed on the housing and contracting the barrel for adjusting the pivotal position of the barrel.

REFERENCES:
patent: 2769098 (1956-10-01), Dunham
patent: 3145469 (1964-08-01), Peterson
patent: 3226551 (1965-12-01), Campbell
patent: 3283157 (1966-11-01), Blackmer
patent: 3378638 (1968-04-01), Bjaime et al.
patent: 3819273 (1974-06-01), Unema et al.
patent: 3857639 (1974-12-01), Mason
patent: 3907435 (1975-09-01), Roodvoets
patent: 3956627 (1976-05-01), Kikuchi et al.
patent: 3972622 (1976-08-01), Mason et al.
patent: 4029415 (1977-06-01), Johnson
patent: 4039826 (1977-08-01), Doyle
patent: 4653910 (1987-03-01), Poling
patent: 4674870 (1987-06-01), Cain et al.
patent: 4676634 (1987-06-01), Petersen
patent: 4693598 (1987-09-01), Sehr
patent: 4715714 (1987-12-01), Gaechter et al.
patent: 4718171 (1988-01-01), Schlemmer et al.
patent: 4730920 (1988-03-01), Schlemmer et al.
patent: 4732471 (1988-03-01), Cain et al.
patent: 4756617 (1988-07-01), Cain et al.
patent: 4797619 (1989-01-01), Austin et al.
patent: 4820041 (1989-04-01), Davidson
patent: 4850560 (1989-07-01), Ross
patent: 4907874 (1990-03-01), Ake
patent: 4922071 (1990-05-01), Samford
patent: 4934812 (1990-06-01), Hirano et al.
patent: 4973158 (1990-11-01), Marsh
patent: 4988192 (1991-01-01), Knittel
patent: 5030840 (1991-07-01), Sommen
patent: 5049735 (1991-09-01), Kitajima
patent: 5189484 (1993-02-01), Koschmann et al.
patent: 5208452 (1993-05-01), Osaragi
patent: 5227890 (1993-07-01), Dowski
patent: 5243398 (1993-09-01), Nielsen
patent: 5293221 (1994-03-01), Kitajima
patent: 5343033 (1994-08-01), Cain
patent: 5400514 (1995-03-01), Imbrie
patent: 5402223 (1995-03-01), Schlobohm et al.
patent: 5457890 (1995-10-01), Mooty
patent: 5471049 (1995-11-01), Cain
patent: 5485266 (1996-01-01), Hirano et al.
patent: 5486690 (1996-01-01), Ake
patent: 5491555 (1996-02-01), Romine
patent: 5519942 (1996-05-01), Webb
patent: 5551159 (1996-09-01), Mooty
patent: 5566460 (1996-10-01), Bates
patent: 5572796 (1996-11-01), Breda
patent: 5621975 (1997-04-01), Rando
patent: 5636018 (1997-06-01), Hirano et al.
patent: 5710424 (1998-01-01), Theodoras, II et al.
patent: 5750878 (1998-05-01), Bliss
patent: 5754582 (1998-05-01), Dong
patent: 5778543 (1998-07-01), Schneider et al.
patent: 5782003 (1998-07-01), Bozzo
patent: 5887354 (1999-03-01), Nagao
patent: 5917593 (1999-06-01), Hirano et al.
patent: 5983511 (1999-11-01), Osaragi et al.
patent: 5995233 (1999-11-01), Ohtomo et al.
patent: 6073353 (2000-06-01), Ohtomo et al.
patent: 6114684 (2000-09-01), Mc Guire
patent: 6166802 (2000-12-01), Kodaira et al.
patent: 6172742 (2001-01-01), Yamazaki
patent: 6191560 (2001-02-01), Sakakibara
patent: 6209832 (2001-04-01), Yamazaki
patent: 6249983 (2001-06-01), Wright et al.
patent: 6256895 (2001-07-01), Akers
patent: 6263595 (2001-07-01), Ake
patent: 6286607 (2001-09-01), Ohtomo et al.
patent: 6297488 (2001-10-01), Beraldin et al.
patent: 6449856 (2002-09-01), Matsumoto et al.
patent: 6508006 (2003-01-01), Black
patent: 6532676 (2003-03-01), Cunningham
patent: 6539638 (2003-04-01), Pelletier
patent: 6606798 (2003-08-01), El-Katcha et al.
patent: 6915583 (2005-07-01), El-Katcha et al.
patent: 7013571 (2006-03-01), El-Katcha et al.
patent: 2001/0004287 (2001-06-01), Ammann
patent: 2002/0029122 (2002-03-01), Mizuno
patent: 2002/0083606 (2002-07-01), Monteil et al.
patent: 2306725 (1973-08-01), None
patent: 2556366 (1976-06-01), None
patent: 3506304 (1986-04-01), None
patent: 8812355 (1989-03-01), None
patent: 3833153 (1990-04-01), None
patent: 4021911 (1991-01-01), None
patent: 3512708 (1991-04-01), None
patent: 29501464 (1995-04-01), None
patent: 4422132 (1996-01-01), None
patent: 29515696 (1997-02-01), None
patent: 19716710 (1997-11-01), None
patent: 19709310 (1998-09-01), None
patent: 19841815 (1999-04-01), None
patent: 19937632 (2000-02-01), None
patent: 2003131 (2000-06-01), None
patent: 10054327 (2001-06-01), None
patent: 0046647 (1982-03-01), None
patent: 0219767 (1987-04-01), None
patent: 0235044 (1987-09-01), None
patent: 0353968 (1990-02-01), None
patent: 00426287 (1991-05-01), None
patent: 0452974 (1991-10-01), None
patent: 0452975 (1991-10-01), None
patent: 0508590 (1992-10-01), None
patent: 0689032 (1995-12-01), None
patent: 0797075 (1997-09-01), None
patent: 0797075 (1997-09-01), None
patent: 0875728 (1998-11-01), None
patent: 0962747 (1999-12-01), None
patent: 1195576 (2002-04-01), None
patent: 1197735 (2002-04-01), None
patent: 9533972 (1995-12-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Laser level does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Laser level, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser level will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3752762

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.