US2496837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high erequency apparatus
Assignee: Unisys Corp
•
Filing: 1946-09-20
•
Granted: 1950-02-07
•
Expires: 1966-09-20
Abstract
No abstract record available.
Inventors
- 👤 John R Woodyard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:32
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/20; G01R1/24; G01R1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106713A
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US2155508A
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US2203481A
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US2306282A
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US2411553A
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US2427752A
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US2423506A
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US2439527A
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US2454042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |