US3005928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sawtooth gating sweep circuit providing adjustable d.c. reference level
Assignee: Individual
•
Filing: 1959-02-26
•
Granted: 1961-10-24
•
Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Walter L Wuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:43
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2508879A
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US2487602A
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US2458367A
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US2524712A
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US2740071A
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US2662981A
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US2753451A
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US2817043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |