Patent US2758204A successfully refreshed from Google Patents.
US3428115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive temperature control
Assignee: Robertshaw US Holding Corp
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Filing: 1967-01-26
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Granted: 1969-02-18
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Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Roland B Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:01
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00814; B60H1/00821; B60H1/00864; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1909; G05D23/1927; G05D23/193; G05D23/1931; G05D23/20; G05D23/24
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |