US2523247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube control apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1948-12-17
•
Granted: 1950-09-19
•
Expires: 1968-12-17
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Glick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:04
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/70; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1625328A
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US2023453A
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US2032894A
Cited
US1921499A
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US1924462A
Cited
US2319378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |