Patent US3459133A successfully refreshed from Google Patents.
US3459133A
Expired / Lapsed
US
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Controllable flow pump
Assignee: Westinghouse Electric Corp
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Filing: 1967-01-23
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Granted: 1969-08-05
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Paul H Scheffler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:42
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2238; F04D29/02; F04D29/026; F04D7/00; F04D7/02; F04D7/06; F04D7/065; F05; F05B; F05B2240/00; F05B2240/60; F05B2240/61; F05D; F05D2300/00; F05D2300/20; F05D2300/22; F05D2300/226; F05D2300/2261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895604A
Cited
US2060899A
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US2347386A
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GB686102A
Cited
US2984189A
Cited
US3162135A
Cited
US3255702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |