US2951919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time switch
Assignee: General Electric Co
•
Filing: 1956-05-31
•
Granted: 1960-09-06
•
Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Robert L Boyles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:11
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1851592A
Cited
US1926190A
Cited
US2096620A
Cited
US2182894A
Cited
US2200110A
Cited
FR998692A
Cited
CH298955A
Cited
US2870834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |