Locks – Special application – For closures
Reexamination Certificate
2006-02-28
2006-02-28
Estremsky, Gary (Department: 3676)
Locks
Special application
For closures
C070S134000, C070SDIG064, C292S25900A, C292SDIG017
Reexamination Certificate
active
07003992
ABSTRACT:
A lock for installation on a pre-existing or new door is shown. The lock extends from the door through the hinge of the door and into the door frame and alternatively into the door frame and stud. This arrangement provides increased security and resistance against breaking in the door to gain unauthorized entry.
REFERENCES:
patent: 1340398 (1920-05-01), O'Brien
patent: 1846364 (1932-02-01), Schlage
patent: 1965723 (1934-07-01), Rupp
patent: 2042021 (1936-05-01), Schlage
patent: 2584088 (1952-01-01), Floyd
patent: 3336769 (1967-08-01), Russell et al.
patent: 3606422 (1971-09-01), Hennessy
patent: 3699788 (1972-10-01), Aerlachetal
patent: 3811150 (1974-05-01), Chalmers
patent: 3899905 (1975-08-01), Walters
patent: 4272974 (1981-06-01), Hennessy
patent: 4288944 (1981-09-01), Donovan
patent: 4593542 (1986-06-01), Rotondi et al.
patent: 4656849 (1987-04-01), Rotondi et al.
patent: 4823510 (1989-04-01), Amos
patent: 5154461 (1992-10-01), Prescott et al.
patent: 5427422 (1995-06-01), Madlener et al.
patent: 5765412 (1998-06-01), Koskela et al.
patent: 5769473 (1998-06-01), Sovis
patent: 6431621 (2002-08-01), De Groot
patent: 6523375 (2003-02-01), Beatty
Estremsky Gary
Kilponen Ronald R.
LandOfFree
Door hinge deadbolt does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Door hinge deadbolt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Door hinge deadbolt will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3637627