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US2947054A Expired / Lapsed US ⏱️ 0.0 years remaining

Earring clamp

Assignee: APEX JEWELRY Co
•
Filing: 1958-05-07
•
Granted: 1960-08-02
•
Expires: 1978-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Wallace C Adams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 15:17
CPC Classifications
A; A44; A44C; A44C7/00; A44C7/004; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/4453; Y10T24/44538; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US724403A Cited
US870330A Cited
US1192198A Cited
US1393689A Cited
US1661873A Cited
US1938592A Cited
US2235976A Cited
US2303267A Cited
US2351925A Cited
US2373380A Cited
US2708128A Cited
US2791359A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-02 1964-02-01 1964-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-02 1968-02-01 1968-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-02 1972-02-01 1972-08-02 $7700.00 Window Closed / Lapsed

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