US2590001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonmicrophonic vacuum tube socket assembly
Assignee: Individual
•
Filing: 1948-12-28
•
Granted: 1952-03-18
•
Expires: 1968-12-28
Abstract
No abstract record available.
Inventors
- 👤 Fox Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:53
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7635; H01R33/7642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB242443A
Cited
US2098747A
Cited
US2205051A
Cited
US2195180A
Cited
US2455324A
Cited
US2505163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |