US2475787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Termination for coaxial cables
Assignee: AT&T Inc
•
Filing: 1945-06-26
•
Granted: 1949-07-12
•
Expires: 1965-06-26
Abstract
No abstract record available.
Inventors
- 👤 Le Roy W Kelsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:30
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/10; H02G15/12; H02G15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US793896A
Cited
US935750A
Cited
US1411948A
Cited
US1746424A
Cited
US1780686A
Cited
US1893741A
Cited
US2110457A
Cited
US2147418A
Cited
US2419592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |