US2702891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isolated tube socket
Assignee: Collins Radio Co
•
Filing: 1952-05-16
•
Granted: 1955-02-22
•
Expires: 1972-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Clarence E Lasho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1800827A
Cited
US1817355A
Cited
US1860178A
Cited
GB356509A
Cited
US2195180A
Cited
US2347969A
Cited
US2382428A
Cited
US2505163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |