US2708245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current vibratory device
Assignee: Signal Engineering & Manufacturing Co
•
Filing: 1950-03-22
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Granted: 1955-05-10
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Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Carlton P Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:17
CPC Classifications
G; G10; G10K; G10K1/00; G10K1/06; G10K1/062; G10K1/063; G10K1/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1628367A
Cited
US1896195A
Cited
US1994559A
Cited
GB592568A
Cited
US2412610A
Cited
US2546344A
Cited
US2561355A
Cited
US2459510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |