US2671887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous electrical outlet
Assignee: Individual
•
Filing: 1951-03-19
•
Granted: 1954-03-09
•
Expires: 1971-03-19
Abstract
No abstract record available.
Inventors
- 👤 Rudyard K Wellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:58
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/16; H01R25/161; H01R25/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988627A
Cited
US1958993A
Cited
US2283398A
Cited
US2175245A
Cited
US2190196A
Cited
US2230658A
Cited
US2284097A
Cited
US2234745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |