US2546309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for coaxial conductors
Assignee: AT&T Inc
•
Filing: 1948-03-26
•
Granted: 1951-03-27
•
Expires: 1968-03-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Kempf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:03
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/04; H01P1/045; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5761; Y10T403/5786
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US166735A
Cited
US470514A
Cited
US1377101A
Cited
DE453364C
Cited
US1786489A
Cited
US1769967A
Cited
US2064129A
Cited
US2110421A
Cited
US2156772A
Cited
US2305473A
Cited
US2425959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |