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 10:43
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7635
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2455324A
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US2542144A
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US2444048A
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US2571845A
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US2519121A
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US2529502A
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US2613244A
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US2623086A
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US2595188A
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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 |