US2595745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing telegraph selector
Assignee: AT&T Teletype Corp
•
Filing: 1949-03-19
•
Granted: 1952-05-06
•
Expires: 1969-03-19
Abstract
No abstract record available.
Inventors
- 👤 Walter J Zenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:40
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/16; H04L17/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1783382A
Cited
US1821110A
Cited
US1917308A
Cited
US1937376A
Cited
US1932932A
Cited
DE694414C
Cited
GB501702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |