Patent US2863131A successfully refreshed from Google Patents.
US2863131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube socket
Assignee: GTE Sylvania Inc
•
Filing: 1955-01-03
•
Granted: 1958-12-02
•
Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Carl F Carlzen
- 👤 William L Lehner
- 👤 Howard A Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7635
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2286984A
Cited
US2455324A
Cited
US2542144A
Cited
US2444048A
Cited
US2571845A
Cited
US2519121A
Cited
US2529502A
Cited
US2613244A
Cited
US2623086A
Cited
US2595188A
Cited
GB711016A
Cited
US2784386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |