US2264186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telegraph keyboard transmitter
Assignee: Western Union Telegraph Co
•
Filing: 1938-08-17
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Granted: 1941-11-25
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Expires: 1958-08-17
Abstract
No abstract record available.
Inventors
- 👤 Paul A Noxon
- 👤 Samuel W Rothermel
- 👤 Frank J Maus
- 👤 Emerson J Sortore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/02; H04L17/04; H04L17/16; H04L17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |