US2564572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gain control system for facsimile scanning
Assignee: RCA Corp
•
Filing: 1946-10-31
•
Granted: 1951-08-14
•
Expires: 1966-10-31
Abstract
No abstract record available.
Inventors
- 👤 Harold E Haynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:53
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22; H04; H04N; H04N1/00; H04N1/40; H04N1/407; H04N1/4072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1820335A
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US1925608A
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US2063694A
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US2205072A
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US2198233A
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US2315362A
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US2280303A
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US2397559A
Cited
US2412423A
Cited
US2454169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |