Patent US2843908A successfully refreshed from Google Patents.
US2843908A
Expired / Lapsed
US
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Jewelry clasp
Assignee: Individual
•
Filing: 1954-10-26
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Granted: 1958-07-22
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Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Carolyn S Koelling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:42
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2066; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45723; Y10T24/45743
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US154058A
Cited
US1467465A
Cited
FR583065A
Cited
US1750786A
Cited
FR785981A
Cited
US2552728A
Cited
FR943056A
Cited
US2639480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |