US2579475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile system for simultaneous transmission of plurality of elemental areas
Assignee: Faximile Inc
•
Filing: 1946-09-25
•
Granted: 1951-12-25
•
Expires: 1966-09-25
Abstract
No abstract record available.
Inventors
- 👤 Richard C Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:53
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/19; H04N1/00095; H04N1/00103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751584A
Cited
US1775241A
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US1854315A
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US1938990A
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US2131741A
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GB513371A
Cited
US2370160A
Cited
US2291476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |