Patent US2707208A successfully refreshed from Google Patents.
US2707208A
Expired / Lapsed
US
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Secrecy facsimile system
Assignee: RCA Corp
•
Filing: 1945-03-31
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Granted: 1955-04-26
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Expires: 1965-03-31
Abstract
No abstract record available.
Inventors
- 👤 Smith James Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:23
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/44; H04N1/448
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1598673A
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US1606763A
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US1763358A
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US1851748A
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US1945014A
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US2094132A
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US2343290A
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US2300664A
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US2292387A
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US2414101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |