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Patent US2926641A successfully refreshed from Google Patents.
US2926641A
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Uniform temperature, dual circuit engine cooling system
Assignee: TACCHELLA Inc
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Filing: 1958-01-20
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Granted: 1960-03-01
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Adolph A Tacchella
- 👤 Arnold N Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:30
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/22; F01P3/2271; F01P9/00; F01P9/02; F01P2003/2214; F01P2003/225
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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |