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US3863965A Expired / Lapsed US ⏱️ 0.0 years remaining

Garage door lock

Assignee: Individual
•
Filing: 1973-06-20
•
Granted: 1975-02-04
•
Expires: 1993-06-20
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Abstract

Abstract A garage door lock which automatically locks the door with the bottom of the door resting flush on a sill despite raising or lowering of the sill from its normal position due to frost action or other causes.

Inventors

  • 👤 William S Vickers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 05:27
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/04; E05C9/043; E05B; E05B65/00; E05B65/0021; E05C5/00; Y; Y10; Y10S; Y10S292/00; Y10S292/36; Y10S292/51; Y10S292/55; Y10T; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0887; Y10T292/089

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 227 words
A lock for securing a garage door or like closure in a closed position with an edge of the door in flush engagement against a movable sill or like surface, where the lock includes a locking bar having a nose at the free end thereof, means for extending the bar so that the nose moves toward one side of the door, and a fixed keeper located at such side of the door and having a barengaging surface facing the sill so that upon closing of the door on the sill, extension of the bar moves the nose toward the keeper to engage the surface and lock the door against movement away from the sill; the improvement comprising a bar guide on the door adjacent the fixed keeper, the guide including a bar guide surface facing the sill and engagable with a side of the bar facing away from the sill and means biasing the bar toward the guide surface to hold such side of the bar normally against the bar guide surface while permitting movement of the bar from such surface toward the sill, wheReby, depending upon the position of the sill relative to the fixed keeper, extension of the bar to position the free end in engagement with the bar-engaging surface may move the bar from the bar guide surface against the action of said means.
Claim 2
Dependent Claim 227 words
A lock for securing a garage door or like closure in a closed position with an edge of the door in flush engagement against a movable sill or like surface, where the lock includes a locking bar having a nose at the free end thereof, means for extending the bar so that the nose moves toward one side of the door, and a fixed keeper located at such side of the door and having a barengaging surface facing the sill so that upon closing of the door on the sill, extension of the bar moves the nose toward the keeper to engage the surface and lock the door against movement away from the sill; the improvement comprising a bar guide on the door adjacent the fixed keeper, the guide including a bar guide surface facing the sill and engagable with a side of the bar facing away from the sill and means biasing the bar toward the guide surface to hold such side of the bar normally against the bar guide surface while permitting movement of the bar from such surface toward the sill, wheReby, depending upon the position of the sill relative to the fixed keeper, extension of the bar to position the free end in engagement with the bar-engaging surface may move the bar from the bar guide surface against the action of said means.
Claim 3
Dependent Claim 49 words
A lock as in claim 1 wherein said bar guide includes a member, an opening extending in the member, the bar extending through the opening, said bar guide surface being located on one side of said opening, and said means being located on an opposite side of said opening.
Claim 4
Dependent Claim 33 words
A lock as in claim 2 wherein said means includes a spring holder on said bar guide, a contact member engaging said bar, and a spring confined between said holder and said member.

References Cited (Backward Citations)

US508389A Cited
US1959809A Cited
US2124969A Cited
US2199765A Cited
US2309437A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-03 1978-08-05 1979-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-03 1982-08-05 1983-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-03 1986-08-05 1987-02-04 $7700.00 Window Closed / Lapsed

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