US2467950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile receiving system
Assignee: NEA SERVICE Inc
•
Filing: 1943-09-21
•
Granted: 1949-04-19
•
Expires: 1963-09-21
Abstract
No abstract record available.
Inventors
- 👤 Louis A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:14
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/024; H04N1/032; H04N1/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1854159A
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US1938990A
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US1935417A
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FR708514A
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US2041822A
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US2152348A
Cited
US2284027A
Cited
US2311159A
Cited
US2294643A
Cited
US2301375A
Cited
US2315362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |