US2579739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable connector
Assignee: Individual
•
Filing: 1948-06-28
•
Granted: 1951-12-25
•
Expires: 1968-06-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:16
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/115; H01R11/00; H01R11/11; H01R11/28; H01R11/281
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US731400A
Cited
US1943591A
Cited
US1995115A
Cited
US2335843A
Cited
US2399836A
Cited
US2416335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |