US2884486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive facsimile transmitting apparatus
Assignee: Western Union Telegraph Co
•
Filing: 1952-12-30
•
Granted: 1959-04-28
•
Expires: 1972-12-30
Abstract
No abstract record available.
Inventors
- 👤 Raleigh J Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:14
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/23; H04N1/29; H04N1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21417E
Cited
US1880289A
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US1979722A
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US2143214A
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US2169840A
Cited
US2330682A
Cited
US2301199A
Cited
US2357809A
Cited
US2624652A
Cited
US2583546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |