US2685648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring frequency deviation
Assignee: LINK RADIO Corp
•
Filing: 1948-08-18
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Granted: 1954-08-03
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Expires: 1968-08-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick T Budelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1944315A
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US2228367A
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US2261272A
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US2282092A
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US2323956A
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US2324077A
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US2337328A
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US2419527A
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US2491494A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |