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US2885880A Expired / Lapsed US ⏱️ 0.0 years remaining

Turnbutton assembly for cylindrical locks

Assignee: Independent Lock Co
•
Filing: 1956-05-15
•
Granted: 1959-05-12
•
Expires: 1976-05-15
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Abstract

No abstract record available.

Inventors

  • 👤 Muttart Vincent

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:24
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0985; Y10T292/62; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5434

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1991031A Cited
US2264239A Cited
US2618955A Cited
US2803958A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-11 1962-11-10 1963-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-11 1966-11-10 1967-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-11 1970-11-10 1971-05-12 $7700.00 Window Closed / Lapsed

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