Patent US2622957A successfully refreshed from Google Patents.
US2622957A
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US
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Facsimile recorder
Assignee: Western Union Telegraph Co
•
Filing: 1947-02-10
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Granted: 1952-12-23
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Expires: 1967-02-10
Abstract
No abstract record available.
Inventors
- 👤 Raleigh J Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:48
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US839927A
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US1045796A
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US1253305A
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DE343935C
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US1938990A
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US1989375A
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US2176680A
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US2175388A
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US2109109A
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US2336932A
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US2353631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |