Patent US2497607A successfully refreshed from Google Patents.
US2497607A
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Assignee: CONTROL INSTR CO Inc
•
Filing: 1946-12-26
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Granted: 1950-02-14
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Expires: 1966-12-26
Abstract
No abstract record available.
Inventors
- 👤 Donald L Herr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:21
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/02; G01C9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE317986C
Cited
FR680945A
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US1924339A
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US2205574A
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US2277027A
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US2414448A
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US2435195A
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US2417765A
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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) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |