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US3442218A
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Dual purpose pump
Assignee: General Electric Co
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Filing: 1966-04-12
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Granted: 1969-05-06
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Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Wess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/02; F04B; F04B49/00; F04B49/007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/86002; Y10T137/86131; Y10T137/86163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2778191A
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US2769394A
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US2805038A
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US2643516A
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US3033277A
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US2905191A
Cited
US3034292A
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US3279558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |