Patent US3234885A successfully refreshed from Google Patents.
US3234885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump device
Assignee: Flygts Pumpar AB
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Filing: 1964-02-04
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Granted: 1966-02-15
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Englesson Sixten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:27
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/002; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PUMP DEVICE COMPRISING A COMPOSITE CENTRIFUGAL PUMP AND ELECTRIC MOTOR FORMING A SUBMERSIBLE, ELONGATED ASSEMBLY INTENDED TO OPERATE IMMERSED IN A BODY OF FLUID, COMPRISING FIXED GRIPPING MEANS IN FLUID, GUIDE MEANS EXTENDING INTO SAID FLUID BODY, AND TWO OPPSITELY DIRECTED PIVOTS IN ALIGNMENT WITH EACH OTHER AT THE LOWER PORTION OF THE PUMP MOTOR ASSEMBLY AND AT RIGHT ANGLES TO THE AXIS OF THE SAME AND POSITIONED EXCENTRICALLY RELATIVE TO SAID AXIS, SAID PIVOTS BEING ADAPTED TO BE GUIDED INTO ENGAGEMENT WITH SAID FIXED GRIPPING MEANS BY SAID GUIDE MEANS.
Claim 2
Dependent Claim
92 words
A PUMP DEVICE COMPRISING A COMPOSITE CENTRIFUGAL PUMP AND ELECTRIC MOTOR FORMING A SUBMERSIBLE, ELONGATED ASSEMBLY INTENDED TO OPERATE IMMERSED IN A BODY OF FLUID, COMPRISING FIXED GRIPPING MEANS IN FLUID, GUIDE MEANS EXTENDING INTO SAID FLUID BODY, AND TWO OPPSITELY DIRECTED PIVOTS IN ALIGNMENT WITH EACH OTHER AT THE LOWER PORTION OF THE PUMP MOTOR ASSEMBLY AND AT RIGHT ANGLES TO THE AXIS OF THE SAME AND POSITIONED EXCENTRICALLY RELATIVE TO SAID AXIS, SAID PIVOTS BEING ADAPTED TO BE GUIDED INTO ENGAGEMENT WITH SAID FIXED GRIPPING MEANS BY SAID GUIDE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |