Astragal construction

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C049S490100, C049S499100

Reexamination Certificate

active

08006805

ABSTRACT:
An elevator door panel for closing the opening to an elevator shaft comprising a generally planar steel sheet reinforced on the shaft side by a perimeter framework and intermediate vertical stiffening members. At its lower edge the panel includes a resilient seal member supported on a structural steel construction that is generally symmetrical about a vertical plane at a mid-section of the panel thickness.

REFERENCES:
patent: 982303 (1911-01-01), Saino et al.
patent: 1146960 (1915-07-01), Saino
patent: 1678652 (1928-07-01), Saurer
patent: 1724052 (1929-08-01), Swearengin
patent: 2663057 (1953-12-01), Uphoff
patent: 2805450 (1957-09-01), Schlytern
patent: 2891289 (1959-06-01), Guilbert, Jr.
patent: 2923984 (1960-02-01), Jecmen
patent: 3943663 (1976-03-01), Jecmen et al.
patent: 3980123 (1976-09-01), Vago
patent: 3981102 (1976-09-01), Harwood et al.
patent: 4224767 (1980-09-01), Jecmen et al.
patent: 4953608 (1990-09-01), Larsson
patent: 4984658 (1991-01-01), Peelle, Jr. et al.
patent: 5165505 (1992-11-01), Hayashi et al.
patent: 5259143 (1993-11-01), Mitchell et al.
patent: 5394961 (1995-03-01), Biver
patent: 5396735 (1995-03-01), Dietrich
patent: 5481076 (1996-01-01), Mullet et al.
patent: 5712458 (1998-01-01), McCandless et al.
patent: 5904014 (1999-05-01), Ripamonti et al.
patent: 5964058 (1999-10-01), Richardson
patent: 5988321 (1999-11-01), Kondo
patent: 6453616 (2002-09-01), Wright
patent: 6606831 (2003-08-01), Degelsegger
patent: 2002/0139621 (2002-10-01), Watabe et al.
patent: 2004/0134128 (2004-07-01), Berry et al.
patent: 01197296 (1989-08-01), None
patent: 11011839 (1999-01-01), None
patent: 11043276 (1999-02-01), None
patent: 11-247544 (1999-09-01), None
patent: 2002-61468 (2002-02-01), None
patent: WO 99/58803 (1999-11-01), 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

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

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

Rate now

     

Profile ID: LFUS-PAI-O-2754806

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