US2632134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube tester
Assignee: Thomas Electronics Inc
•
Filing: 1951-02-07
•
Granted: 1953-03-17
•
Expires: 1971-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert A Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:10
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/24; G01R31/25; G01R31/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1668748A
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US2075415A
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US2092896A
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US2172953A
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US2198242A
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US2444036A
Cited
US2560952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |