US2569648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile system and apparatus
Assignee: RCA Corp
•
Filing: 1949-04-30
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Granted: 1951-10-02
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Expires: 1969-04-30
Abstract
No abstract record available.
Inventors
- 👤 Artzt Maurice
- 👤 Charles J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:09
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/0607; H04N1/0621; H04N1/0635; H04N1/0657; H04N1/0671; H04N1/0685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |