US2966616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching devices
Assignee: Individual
•
Filing: 1959-08-25
•
Granted: 1960-12-27
•
Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Mash Derek Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:54
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/12; H; H05; H05B; H05B33/00; H05B33/12; H05B33/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735038A
Cited
US2773216A
Cited
US2783408A
Cited
US2833949A
Cited
US2867739A
Cited
US2922993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |