US2439462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric plug and socket latch
Assignee: Individual
•
Filing: 1943-09-20
•
Granted: 1948-04-13
•
Expires: 1963-09-20
Abstract
No abstract record available.
Inventors
- 👤 Frank Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:05
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317548A
Cited
US1119864A
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US1206245A
Cited
US1298623A
Cited
US1387814A
Cited
US1510247A
Cited
US1552346A
Cited
US1873856A
Cited
DE621241C
Cited
US2031914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |