US2846530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical drop cord switch operated by removable key
Assignee: Individual
•
Filing: 1954-10-25
•
Granted: 1958-08-05
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Wintriss George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:58
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70; H01H; H01H27/00; H01H27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US970410A
Cited
US1143676A
Cited
US1464979A
Cited
US1800259A
Cited
US1903586A
Cited
US1976779A
Cited
US2217585A
Cited
US2644864A
Cited
US2777023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |