Patent US2374227A successfully refreshed from Google Patents.
US2478428A
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Deaerating and cooling device for hydraulic transmission fluids
Assignee: Young Radiator Co
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Filing: 1947-04-25
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Granted: 1949-08-09
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Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Joe C Shaw
- 👤 William L Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:55
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042; F; F15; F15B; F15B1/00; F15B1/26; F15B21/00; F15B21/04; F15B21/042; F15B21/0423; F15B21/044; F16; F16H; F16H61/00
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) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |