Patent US3410486A successfully refreshed from Google Patents.
US3410486A
Expired / Lapsed
US
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Control system for heating and cooling apparatus
Assignee: Robertshaw US Holding Corp
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Filing: 1965-11-10
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Granted: 1968-11-12
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Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Rodgers Gerald Loyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00814; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1393; G05D23/19; G05D23/1919; G05D23/1921; G05D23/1925; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2302320A
Cited
US2375988A
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US2474441A
Cited
US2500775A
Cited
US3164365A
Cited
US3346231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |