US2879666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion thermometer
Assignee: Individual
•
Filing: 1953-12-14
•
Granted: 1959-03-31
•
Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Frank E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:47
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1838728A
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US1876592A
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US1529176A
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US1983786A
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US2065506A
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US2663191A
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US2696937A
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US2651203A
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US2688876A
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US2739480A
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |