US2808524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inertia responsive electro-mechanical transducer
Assignee: GTE Sylvania Inc
•
Filing: 1952-03-20
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Granted: 1957-10-01
•
Expires: 1972-03-20
Abstract
No abstract record available.
Inventors
- 👤 Feinstein Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:44
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/09; G01P15/0907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2250496A
Cited
US2518348A
Cited
US2565158A
Cited
US2487962A
Cited
US2503831A
Cited
US2565159A
Cited
US2638556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |