US3539946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state wide band microwave voltage controlled oscillator with improved frequency modulation capability
Assignee: Lockheed Martin Corp
•
Filing: 1966-12-28
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Granted: 1970-11-10
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jorgen P Vinding
- 👤 Joseph J Digiovanni
- 👤 Thomas D Lusk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:11
CPC Classifications
H; H03; H03C; H03C7/00; H03C7/02; H03C7/025; H03C3/00; H03C3/10; H03C3/12; H03C3/14; H03C3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB610865A
Cited
US2549855A
Cited
US2644925A
Cited
US2657360A
Cited
US3271698A
Cited
US3377567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |