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US2871690A Expired / Lapsed US ⏱️ 0.0 years remaining

Key-operated latch mechanism

Assignee: Jervis Corp
•
Filing: 1956-03-21
•
Granted: 1959-02-03
•
Expires: 1976-03-21
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:38
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/162; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0933; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/106; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5487

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2208003A Cited
US2313711A Cited
US2399812A Cited
GB571326A Cited
US2605630A Cited
DE829712C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-02-02 1962-08-04 1963-02-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-02-02 1966-08-04 1967-02-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-02-02 1970-08-04 1971-02-03 $7700.00 Window Closed / Lapsed

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