US3031626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant cavity electrical transducer
Assignee: Individual
•
Filing: 1959-02-26
•
Granted: 1962-04-24
•
Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Mitchell H Dazey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:45
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/04; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2266500A
Cited
US2473535A
Cited
US2525806A
Cited
US2523286A
Cited
US2489855A
Cited
US2500637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |