Patent US1985643A successfully refreshed from Google Patents.
Patent US2396901A successfully refreshed from Google Patents.
US2396901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable plug
Assignee: Lockheed Martin Corp
•
Filing: 1943-01-02
•
Granted: 1946-03-19
•
Expires: 1963-01-02
Abstract
No abstract record available.
Inventors
- 👤 Frank E Tiffany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:56
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; H01R13/447; H01R13/453; H01R13/4532
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |