US2990532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined radio tube socket and telescopic shield
Assignee: Industrial Electronic Hardware Corp
•
Filing: 1957-09-19
•
Granted: 1961-06-27
•
Expires: 1977-09-19
Abstract
No abstract record available.
Inventors
- 👤 Gluck William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:51
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/02; H01J5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2265632A
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US2449356A
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US2584717A
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US2641826A
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US2770787A
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US2904772A
Cited
US2862991A
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US2884611A
Cited
US2917723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |