Patent GB285091A successfully refreshed from Google Patents.
US2576611A
Expired / Lapsed
US
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Apparatus for measuring physical conditions
Assignee: WHEELCO INSTR Co
•
Filing: 1947-11-18
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Granted: 1951-11-27
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Expires: 1967-11-18
Abstract
No abstract record available.
Inventors
- 👤 Karl A Lang
- 👤 John F Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:42
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838084A
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FR750075A
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US2228163A
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US2354945A
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US2414314A
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US2346838A
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US2437661A
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US2517556A
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US2527797A
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US2473494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |