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US2745283A
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Temperature change compensated thermal measuring device
Assignee: HASTINGS INSTR Co Inc
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Filing: 1950-01-23
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Granted: 1956-05-15
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Expires: 1970-01-23
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hastings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:07
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1505497A
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US764175A
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US1103640A
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GB191407597A
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FR44482E
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US2225941A
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FR802705A
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US2377516A
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US2434433A
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US2446283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |