Patent US2586758A successfully refreshed from Google Patents.
US2586758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jewelry chain connector
Assignee: Individual
•
Filing: 1950-07-03
•
Granted: 1952-02-19
•
Expires: 1970-07-03
Abstract
No abstract record available.
Inventors
- 👤 Zerr Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
A; A44; A44C; A44C11/00; A44C11/005; A44C5/00; A44C5/18; A44C5/20; A44C5/2042; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/39; Y10T24/3902; Y10T24/3904; Y10T24/40; Y10T24/4002; Y10T24/4012; Y10T24/44; Y10T24/44291; Y10T24/4453; Y10T24/44538; Y10T24/44564
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US283333A
Cited
US574484A
Cited
US1591295A
Cited
US1578940A
Cited
US1814475A
Cited
US2031110A
Cited
US2073280A
Cited
US2085054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |