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US3548315A
Expired / Lapsed
US
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Compensated vhf-uhf automatic gain control delay system
Assignee: RCA Corp
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Filing: 1968-03-01
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Granted: 1970-12-15
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Expires: 1988-03-01
Abstract
No abstract record available.
Inventors
- 👤 William L Lehmann
- 👤 James C Marsh Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:09
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3052; H04; H04N; H04N5/00; H04N5/44; H04N5/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2105641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |