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US3519924A
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Measurements systems using conductively-heated pyroelectric element
Assignee: HEATH LAB Inc
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Filing: 1967-09-22
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Granted: 1970-07-07
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Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jay E Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:31
CPC Classifications
G; G01; G01R; G01R23/00; G01F; G01F1/00; G01F1/68; G01F1/684; G01F1/688; G01F1/6886; G01L; G01L21/00; G01R21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1894687A
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US2364501A
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US2571171A
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US2789281A
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US2975261A
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US3054951A
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US3329004A
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US3355949A
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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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |