US3283181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical transducer
Assignee: Jaeger Machine Co
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Filing: 1963-03-08
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Granted: 1966-11-01
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Expires: 1983-03-08
Abstract
No abstract record available.
Inventors
- 👤 Frederic R Johanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:19
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/46; H04R17/00; H04R17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |