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Patent US2612780A successfully refreshed from Google Patents.
US2612780A
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Resistance thermometer
Assignee: ILLINOIS TESTING LABORATORIES
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Filing: 1947-07-19
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Granted: 1952-10-07
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Expires: 1967-07-19
Abstract
No abstract record available.
Inventors
- 👤 Bruyne Emil A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323824A
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US1231045A
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US1444771A
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US1978440A
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US2016660A
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US2098650A
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US2297868A
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US2457751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |