Patent US2982815A successfully refreshed from Google Patents.
US2982815A
Expired / Lapsed
US
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Facsimile transmitter
Assignee: Western Union Telegraph Co
•
Filing: 1955-02-04
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Granted: 1961-05-02
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Expires: 1975-02-04
Abstract
No abstract record available.
Inventors
- 👤 William D Buckingham
- 👤 Norman R Lane
- 👤 Guy H Ridge
- 👤 Frank T Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:47
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00567; H04N1/0057; H04N1/00599; H04N1/00602; H04N1/024; H04N1/028; H04N1/0281; H04N1/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1788476A
Cited
US1877279A
Cited
US2055513A
Cited
US2059879A
Cited
US2173164A
Cited
US2287413A
Cited
US2333272A
Cited
US2601236A
Cited
US2718548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |