Patent US2622529A successfully refreshed from Google Patents.
US2622529A
Expired / Lapsed
US
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Motor and pump assembly
Assignee: Individual
•
Filing: 1950-07-13
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Granted: 1952-12-23
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Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 John B Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:07
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F04C2/00; F04C2/08; F04C2/082; F04C2/086; Y; Y10; Y10S; Y10S417/00; Y10S417/01; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418741A
Cited
US1577622A
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US1913537A
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US1987366A
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US1957038A
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US1992200A
Cited
US2031159A
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US2139370A
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US2277270A
Cited
US2552169A
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US2540235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |