US2806376A
Expired / Lapsed
US
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Thermal responsive device and method of calibration therefor
Assignee: Standard Thomson Corp
•
Filing: 1954-03-03
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Granted: 1957-09-17
•
Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; G01; G01K; G01K5/00; G01K5/32; G01K5/44; H; H01; H01H; H01H35/00; H01H35/24; H01H35/245; Y; Y10; Y10S; Y10S236/00; Y10S236/05; Y10T; Y10T29/00; Y10T29/49; Y10T29/49758; Y10T29/4976
Claims Analysis
Total Claims: 0
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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) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |