US2495267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum tube socket
Assignee: Individual
•
Filing: 1946-07-26
•
Granted: 1950-01-24
•
Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard C Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:07
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7614; H01R33/7628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB236333A
Cited
GB249386A
Cited
GB262226A
Cited
US2024547A
Cited
GB301505A
Cited
GB307352A
Cited
US1892943A
Cited
US2417153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |