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US3889497A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple-lock securing system

Assignee: Individual
•
Filing: 1973-07-03
•
Granted: 1975-06-17
•
Expires: 1993-07-03
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Abstract

Abstract A multiple-lock securing system for providing access to a secured area by releasing one of the locks. A bar has a security device attached thereto. A locking plate contains openings with locks positioned therein. The bar can be fastened to the locking plate when the locks are positioned in each of the openings. When one of the locks is removed from the locking plate, the bar is released providing access to the secured area.

Inventors

  • 👤 Herman L Tuttle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:37
CPC Classifications
E; E05; E05B; E05B35/00; E05B35/08; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10S; Y10S70/00; Y10S70/63; Y10T; Y10T70/00; Y10T70/40

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 166 words
A multiple-lock securing system for providing access to a secured area by releasing one of a plurality of locks comprising: first and second locking plates defining openings therein for positioning said plurality of locks in said openings; bar means having a base and an arm extending therefrom, said base being positioned adjacent to two of said openings, each of which may receive one of said locks therein, the length of said base being greater than the distance between said openings; means for interconnecting said first locking plate to said second locking plate comprising an integrally formed member having a pair of bars, one of said bars being secured to said first locking plate, and the other of said bars being secured to said second locking plate; and mEans formed on said locking plates for enabling said bars to be fastened to said locking plates when said locks are positioned in said openings and removed therefrom when one of said locks is removed from its respective opening.
Claim 2
Dependent Claim 166 words
A multiple-lock securing system for providing access to a secured area by releasing one of a plurality of locks comprising: first and second locking plates defining openings therein for positioning said plurality of locks in said openings; bar means having a base and an arm extending therefrom, said base being positioned adjacent to two of said openings, each of which may receive one of said locks therein, the length of said base being greater than the distance between said openings; means for interconnecting said first locking plate to said second locking plate comprising an integrally formed member having a pair of bars, one of said bars being secured to said first locking plate, and the other of said bars being secured to said second locking plate; and mEans formed on said locking plates for enabling said bars to be fastened to said locking plates when said locks are positioned in said openings and removed therefrom when one of said locks is removed from its respective opening.

References Cited (Backward Citations)

US2707125A Cited
US2856220A Cited
US2963895A Cited
US3656789A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-06-16 1978-12-16 1979-06-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-06-16 1982-12-16 1983-06-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-06-16 1986-12-16 1987-06-17 $7700.00 Window Closed / Lapsed

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