Patent US3895533A successfully refreshed from Google Patents.
Patent US2497523A successfully refreshed from Google Patents.
US2497523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical cable disconnect
Assignee: Individual
•
Filing: 1947-03-14
•
Granted: 1950-02-14
•
Expires: 1967-03-14
Abstract
No abstract record available.
Inventors
- 👤 Herman S Warkentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:25
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/28; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US180910A
Cited
US1047376A
Cited
US1678166A
Cited
US2336385A
Cited
US2335843A
Cited
US2347089A
Cited
US2406895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |