Patent US1238495A successfully refreshed from Google Patents.
US1238495A
Expired / Lapsed
US
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Coupling for necklaces.
Assignee: Individual
•
Filing: 1917-02-20
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Granted: 1917-08-28
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Expires: 1937-02-20
Abstract
No abstract record available.
Inventors
- 👤 Bernhard B Christ
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:42
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2047; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45529; Y10T24/45534
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-08-27 | 1921-02-26 | 1921-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-27 | 1925-02-26 | 1925-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-27 | 1929-02-26 | 1929-08-28 | $7700.00 | Window Closed / Lapsed |