US3371264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuned cavity assembly for harmonic generation of acoustic and electromagnetic waves of gigacycle frequencies
Assignee: United States Department of the Air Force
•
Filing: 1965-09-01
•
Granted: 1968-02-27
•
Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Paul H Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/04; H03; H03B; H03B19/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3037174A
Cited
US3012211A
Cited
US3012204A
Cited
US3085205A
Cited
US3254231A
Cited
US3278868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |