Patent US2642001A successfully refreshed from Google Patents.
US2642001A
Expired / Lapsed
US
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Pump by-passing assemblage
Assignee: BUMP PUMP CO
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Filing: 1950-01-25
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Granted: 1953-06-16
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Expires: 1970-01-25
Abstract
No abstract record available.
Inventors
- 👤 Vernon F Dale
- 👤 George W Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:26
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F04C14/265; F04C2/00; F04C2/08; F04C2/12; F04C2/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US885783A
Cited
US1694805A
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US1927395A
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US2134153A
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US2380783A
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US2434135A
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US2477797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |