Patent US2650398A successfully refreshed from Google Patents.
US2650398A
Expired / Lapsed
US
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Separable catch for necklaces and the like
Assignee: Coro Inc
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Filing: 1948-07-28
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Granted: 1953-09-01
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Expires: 1968-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Bangs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2047; A44C5/185; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902; Y10T24/3904; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45529; Y10T24/45534; Y10T24/47; Y10T24/4755
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1099484A
Cited
US1159311A
Cited
US2044869A
Cited
US2176709A
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US2131454A
Cited
US2251463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |