Patent US2465260A successfully refreshed from Google Patents.
US2465260A
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Cylinder head construction for water cooling
Assignee: Individual
•
Filing: 1944-09-06
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Granted: 1949-03-22
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Expires: 1964-09-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:46
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02B; F02B1/00; F02B1/02; F02B1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/4927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647848A
Cited
US1241024A
Cited
US1270044A
Cited
US1720711A
Cited
FR636678A
Cited
GB281106A
Cited
GB281484A
Cited
US2113629A
Cited
FR794336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |