US2609512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency meter
Assignee: Bendix Aviation Corp
•
Filing: 1946-10-30
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Granted: 1952-09-02
•
Expires: 1966-10-30
Abstract
No abstract record available.
Inventors
- 👤 Conviser Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:56
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/18; G01R; G01R23/00; G01R23/02; G01R23/06; G01R23/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2419292A
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US767971A
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DE204121C
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US1590420A
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US1672215A
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GB477392A
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US2325927A
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US2321295A
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US2369550A
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US2366076A
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US2434297A
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US2320175A
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US2355606A
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US2389991A
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US2409577A
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US2456016A
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US2480385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |