Patent US2673038A successfully refreshed from Google Patents.
US2673038A
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Thermostatic hot-water heating system for automobiles
Assignee: Vernay Laboratories Inc
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Filing: 1950-04-19
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Granted: 1954-03-23
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Expires: 1970-04-19
Abstract
No abstract record available.
Inventors
- 👤 Vernet Sergius
- 👤 Allan C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:05
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2221347A
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US2293947A
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US2307723A
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US2298163A
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US2490919A
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US2479307A
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US2507911A
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US2534497A
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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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |