Patent US3488767A successfully refreshed from Google Patents.
Patent US2762569A successfully refreshed from Google Patents.
US2762569A
Expired / Lapsed
US
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Temperature regulator for solar water heaters
Assignee: Individual
•
Filing: 1954-05-17
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Granted: 1956-09-11
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Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Caillol Jean Louis Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:53
CPC Classifications
F; F24; F24S; F24S10/00; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S203/00; Y10S203/01; Y10S203/19
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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |