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US4452059A Expired / Lapsed US ⏱️ 0.0 years remaining

Lock apparatus

Assignee: Trioving AS
•
Filing: 1981-07-22
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Granted: 1984-06-05
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Expires: 2001-07-22
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Abstract

Abstract The present invention relates to a lock system comprising a lock of the type where the combination of the lock is given by a more or less platelike code member which may be removed and substituted and where the lock is operated by means of a more or less platelike key member. The key member is equipped with a code adapted to the code of the code member. The lock comprises a housing and means intended to be activated by the code of the code member and/or the code of the key member, said means reading the codes. Parts of the code on the key member may be read mechanically, using blocking pins while parts of the code may be read optically and/or electronically by means of light diodes emitting infrared light.

Inventors

  • 👤 Tor Sornes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:33
CPC Classifications
E; E05; E05B; E05B49/00; E05B49/002; E05B49/006; E05B27/00; E05B27/0028; E05B35/00; E05B35/007; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7068; Y10T70/7073; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/752; Y10T70/7531

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3611763A Cited
US3733862A Cited
DE2258854A1 Cited
DE2431497A1 Cited
DE2516283A1 Cited
US4090175A Cited
US4149394A Cited
US4286305A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-06-05 1987-12-05 1988-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-06-05 1991-12-05 1992-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-06-05 1995-12-05 1996-06-05 $7700.00 Window Closed / Lapsed

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