US2565266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed photoelectric transmitter
Assignee: AT&T Teletype Corp
•
Filing: 1947-06-20
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Granted: 1951-08-21
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Expires: 1967-06-20
Abstract
No abstract record available.
Inventors
- 👤 Martha W C Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:37
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/02; H04L17/12; H04L17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183559A
Cited
US2177077A
Cited
US2382251A
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US2397202A
Cited
US2468462A
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US2455443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |