US2967996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron tester
Assignee: U S ELECTRONICS Corp
•
Filing: 1955-04-25
•
Granted: 1961-01-10
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Henry K Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:01
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/24; G01R31/25; G01R31/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2416322A
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US2724800A
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US2431941A
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US2440287A
Cited
US2458814A
Cited
US2630475A
Cited
US2788490A
Cited
US2776406A
Cited
US2790142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |