US2470464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing and phase control circuits
Assignee: GTE Sylvania Inc
•
Filing: 1942-08-03
•
Granted: 1949-05-17
•
Expires: 1962-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert M Bowie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:59
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061734A
Cited
US2178074A
Cited
GB468918A
Cited
US2121359A
Cited
US2227598A
Cited
US2285038A
Cited
US2344745A
Cited
US2405237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |