US3324725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunnel diode oscillator controlled by a sensing device
Assignee: General Electric Co
•
Filing: 1966-06-03
•
Granted: 1967-06-13
•
Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Alexander J Yerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/01; H; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US662156A
Cited
US3158027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |