US2752499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrahigh frequency sweep generator
Assignee: RCA Corp
•
Filing: 1953-11-02
•
Granted: 1956-06-26
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Horace F Hanthorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:10
CPC Classifications
H; H03; H03B; H03B23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725639A
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US2126541A
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US2160466A
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US2103619A
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US2114036A
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US2261879A
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US2292254A
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US2353162A
Cited
US2498529A
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US2650288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |