US2919334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension operator for light switch
Assignee: Individual
•
Filing: 1958-05-05
•
Granted: 1959-12-29
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Kemper K Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:22
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H23/14; H01H23/141; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20738
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1235397A
Cited
US2440943A
Cited
US2409022A
Cited
US2668456A
Cited
US2726303A
Cited
US2807692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |