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Patent US2947054A successfully refreshed from Google Patents.
US2947054A
Expired / Lapsed
US
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Earring clamp
Assignee: APEX JEWELRY Co
•
Filing: 1958-05-07
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Granted: 1960-08-02
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Expires: 1978-05-07
Abstract
No abstract record available.
Inventors
- 👤 Wallace C Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:07
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)
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US1192198A
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US1393689A
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US1661873A
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US1938592A
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US2235976A
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US2303267A
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US2351925A
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US2373380A
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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 |