US3025705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measuring apparatus
Assignee: British Thomson Houston Co Ltd
•
Filing: 1957-02-04
•
Granted: 1962-03-20
•
Expires: 1977-02-04
Abstract
No abstract record available.
Inventors
- 👤 Blake Leslie Reginald
- 👤 Howells John Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02; E; E01; E01C; E01C19/00; E01C19/02; E01C19/05; G01K1/00; G01K1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1869788A
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US2252387A
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US2316208A
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US2263402A
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US2739035A
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US2666799A
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US2709843A
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FR1146647A
Cited
DE1020465B
Cited
US2796455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |