US2592779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape controlled telegraph transmitter
Assignee: Western Union Telegraph Co
•
Filing: 1945-10-26
•
Granted: 1952-04-15
•
Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Raleigh J Wise
- 👤 Robert D Parrott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:38
CPC Classifications
H; H04; H04L; H04L15/00; H04L15/04; H04L15/18; H04L15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1326864A
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USRE18756E
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DE599001C
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US836710A
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US1144236A
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US1826858A
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US1972555A
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US1953072A
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US1949878A
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US1981255A
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US2177077A
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US2064049A
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US2064050A
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US2266349A
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US2307099A
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US2313583A
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US2317850A
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US2332142A
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US2353608A
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US2382251A
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US2403918A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |