US2515932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall switch operator
Assignee: Individual
•
Filing: 1945-05-26
•
Granted: 1950-07-18
•
Expires: 1965-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Stang
- 👤 Jacob L Rector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:42
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1050740A
Cited
US1423306A
Cited
US2011311A
Cited
US2015698A
Cited
US2134696A
Cited
US2082448A
Cited
US2196501A
Cited
US2289108A
Cited
US2281808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |