Patent US3510802A successfully refreshed from Google Patents.
US3510802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra-high frequency transistor oscillator
Assignee: RCA Corp
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Filing: 1968-02-28
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Granted: 1970-05-05
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Expires: 1988-02-28
Abstract
No abstract record available.
Inventors
- 👤 David J Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:22
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1805; H03B2201/00; H03B2201/01; H03B2201/011; H03B2202/00; H03B2202/03; H03B2202/04; H03B2202/042; H03B2202/05
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) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |