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US3477261A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for preventing access to a lock mechanism

Assignee: Individual
•
Filing: 1967-07-11
•
Granted: 1969-11-11
•
Expires: 1987-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 Robert Siana

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:33
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/14; E05B17/142; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5593; Y10T70/5597; Y10T70/5606; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7955; Y10T70/7977; Y10T70/80; Y10T70/8432; Y10T70/8649

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US594447A Cited
DE442866C Cited
US695318A Cited
US1348744A Cited
US1775318A Cited
US1813420A Cited
US1917973A Cited
US2022267A Cited
US2209067A Cited
GB660917A Cited
US2883849A Cited
US2880903A Cited
US3167945A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-11-10 1973-05-12 1973-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-11-10 1977-05-12 1977-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-11-10 1981-05-12 1981-11-11 $7700.00 Window Closed / Lapsed

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