US2640871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical device
Assignee: United Carr Fastener Corp
•
Filing: 1949-07-16
•
Granted: 1953-06-02
•
Expires: 1969-07-16
Abstract
No abstract record available.
Inventors
- 👤 Edward M Carbary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:25
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H10; H10W; H10W90/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801836A
Cited
GB518127A
Cited
US2414801A
Cited
US2400647A
Cited
US2473419A
Cited
US2483801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |