Patent US2476238A successfully refreshed from Google Patents.
US2476238A
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US
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Pump and motor transmission with fluid purifier
Assignee: Bullard Co
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Filing: 1943-03-23
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Granted: 1949-07-12
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Expires: 1963-03-23
Abstract
No abstract record available.
Inventors
- 👤 Edward P Bullard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:17
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/04; F15B21/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB231877A
Cited
US1905133A
Cited
US2202216A
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US2160920A
Cited
US2238060A
Cited
US2242807A
Cited
US2268653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |