US2718547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile transceivers
Assignee: Western Union Telegraph Co
•
Filing: 1951-05-07
•
Granted: 1955-09-20
•
Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Raleigh J Wise
- 👤 Garvice H Ridings
- 👤 Robert D Parrott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:51
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/08; H04N1/0804; H04N1/0817; H04N1/024; H04N1/0826; H04N1/083; H04N1/0834; H04N1/0839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511837A
Cited
US2255868A
Cited
US2301024A
Cited
US2365741A
Cited
US2375820A
Cited
US2394649A
Cited
US2575546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |