US2621479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system, including a cooling circuit for the pumps thereof
Assignee: Galion Iron Works & Manufacturing Co
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Filing: 1950-04-08
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Granted: 1952-12-16
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Expires: 1970-04-08
Abstract
No abstract record available.
Inventors
- 👤 Fred J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/26; E01C19/268; F; F15; F15B; F15B21/00; F15B21/04; F15B21/042; F15B21/0423; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20546; F15B2211/20561; F15B2211/20576; F15B2211/27; F15B2211/60; F15B2211/61; F15B2211/611; F15B2211/613; F15B2211/62; F15B7/00; F15B7/005; F15B7/006; F15B7/008; Y; Y10; Y10S; Y10S60/00; Y10S60/912
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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |