Patent US2599082A successfully refreshed from Google Patents.
US2599082A
Expired / Lapsed
US
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Slush pump piston and piston rod
Assignee: NEAL H ANDERSON OIL TOOL CO
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Filing: 1947-10-03
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Granted: 1952-06-03
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Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 George C Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:25
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/143; F04B53/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1216218A
Cited
US1796415A
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US1817808A
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US1955157A
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US2216577A
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US2315012A
Cited
US2321160A
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US2443110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |