Trench wall ripper apparatus

Excavating – Scoop or excavating and transporting container – Scoop or bucket structure – per se

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C037S466000, C037S404000, C037S903000, C172S819000

Reexamination Certificate

active

07992328

ABSTRACT:
An apparatus coupled to an excavation bucket for creating a trench sidewall having indentations formed therein.

REFERENCES:
patent: 203042 (1878-04-01), Hill
patent: 1580725 (1926-04-01), Harrison
patent: 1648783 (1927-11-01), Rosselle
patent: 1783831 (1930-12-01), Downie
patent: 1910290 (1933-05-01), Johnson
patent: 2353685 (1944-07-01), Askue
patent: 2660323 (1953-11-01), Carlesimo
patent: 2732639 (1956-01-01), Lillengreen
patent: 2841897 (1958-07-01), Duke
patent: 2965989 (1960-12-01), Hibbard
patent: 3029534 (1962-04-01), Rakisits
patent: 3038267 (1962-06-01), Helton et al.
patent: 3089261 (1963-05-01), Flath
patent: 3093917 (1963-06-01), Schroeder
patent: 3403940 (1968-10-01), Clark
patent: 3456370 (1969-07-01), Gilbertson
patent: 3531161 (1970-09-01), Conn
patent: 3621594 (1971-11-01), Hahn
patent: 3638736 (1972-02-01), Hahn
patent: 3653133 (1972-04-01), Black et al.
patent: 3724899 (1973-04-01), Clark
patent: 3748762 (1973-07-01), Tarrant
patent: 3792539 (1974-02-01), Clark
patent: 3841709 (1974-10-01), Kniff
patent: 3851413 (1974-12-01), Lukavich
patent: 3958347 (1976-05-01), Heitman
patent: 3961788 (1976-06-01), Helton et al.
patent: 4007550 (1977-02-01), Stepe
patent: 4047312 (1977-09-01), Stepe
patent: 4069604 (1978-01-01), Stepe
patent: 4071967 (1978-02-01), Klett
patent: 4074449 (1978-02-01), Lanz et al.
patent: 4086967 (1978-05-01), Eftefield et al.
patent: 4128132 (1978-12-01), Moen et al.
patent: 4129952 (1978-12-01), Olson
patent: 4151664 (1979-05-01), Maura
patent: 4187626 (1980-02-01), Greer et al.
patent: 4189907 (1980-02-01), Erdman
patent: 4208817 (1980-06-01), Merkel
patent: 4279085 (1981-07-01), Arnold
patent: 4290214 (1981-09-01), Stepe
patent: 4315375 (1982-02-01), Shinn
patent: 4329794 (1982-05-01), Rogers
patent: 4457085 (1984-07-01), Arnold
patent: 4547985 (1985-10-01), Silins et al.
patent: 4550513 (1985-11-01), Rasmussen
patent: 4719711 (1988-01-01), Sieber et al.
patent: 4784517 (1988-11-01), Bergqvist et al.
patent: 4891893 (1990-01-01), Bowes, Jr.
patent: 4896444 (1990-01-01), Sieber et al.
patent: 5400531 (1995-03-01), Brown
patent: 5407013 (1995-04-01), Scott
patent: 5647448 (1997-07-01), Skaggs
patent: 5842747 (1998-12-01), Winchester
patent: 5901480 (1999-05-01), Shamblin
patent: 6070345 (2000-06-01), Akaki et al.
patent: 6186735 (2001-02-01), Deyo et al.
patent: 6213559 (2001-04-01), Stevens
patent: 6450269 (2002-09-01), Wentworth et al.
patent: 6799385 (2004-10-01), Champney
patent: 7275338 (2007-10-01), LaHood
patent: 2003/0066215 (2003-04-01), Grant
patent: 2003/0198520 (2003-10-01), Evans
patent: 2005/0284006 (2005-12-01), Jones
patent: 0 280 003 (1988-08-01), None
patent: 59106629 (1984-06-01), None
patent: WO 00/55434 (2000-09-01), 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

Trench wall ripper apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-2627950

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