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US2963532A
Expired / Lapsed
US
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Insulated thermocouple
Assignee: Individual
•
Filing: 1959-03-12
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Granted: 1960-12-06
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Expires: 1979-03-12
Abstract
No abstract record available.
Inventors
- 👤 Francis H Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:50
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; H; H01; H01R; H01R13/00; H01R13/46; H01R13/533
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |