Patent US2798435A successfully refreshed from Google Patents.
US2798435A
Expired / Lapsed
US
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Portable pumping system
Assignee: Jacuzzi Brothers Inc
•
Filing: 1952-03-10
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Granted: 1957-07-09
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Expires: 1972-03-10
Abstract
No abstract record available.
Inventors
- 👤 John E Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:04
CPC Classifications
A; A62; A62C; A62C27/00; F; F04; F04D; F04D9/00; F04D9/04; F04D9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US994025A
Cited
US1914654A
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US2063843A
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US2010538A
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US2010540A
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US1982304A
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US2071174A
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US2236171A
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US2148131A
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US2315085A
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US2273579A
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US2525772A
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US2547826A
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US2606067A
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US2621075A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |