Patent US3335668A successfully refreshed from Google Patents.
US3335668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Molon Motor and Coil Corp
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Filing: 1966-02-01
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Granted: 1967-08-15
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Thon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:28
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/426
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A SUBMERSIBLE CENTRIFUGAL PUMP ADAPTED TO BE DRIVEN BY THE ROTOR OF A NON-SUBMERSIBLE MOTOR: A MOTOR SUPPORT MEANS HAVING A BOSS PROJECTING THEREFROM, A TUBE PRESS FITTED AT ONE END ON SAID BOSS AND HAVING AN ATTACHING PLATE AFFORDING PART OF A PUMP HOUSING AT THE OTHER END, A PUMP HOUSING COVER SNAP FITTED TO SAID ATTACHING PLATE AND CONFIGURED TO AFFORD A PUMP HOUSING THEREWITH, AN IMPELLER SHAFT EXTENDING TO SAID PUMP HOUSING, AND AN IMPLELLER SECURED TO SAID SHAFT WITHIN THE PUMP HOUSING.
Claim 2
Dependent Claim
87 words
IN A SUBMERSIBLE CENTRIFUGAL PUMP ADAPTED TO BE DRIVEN BY THE ROTOR OF A NON-SUBMERSIBLE MOTOR: A MOTOR SUPPORT MEANS HAVING A BOSS PROJECTING THEREFROM, A TUBE PRESS FITTED AT ONE END ON SAID BOSS AND HAVING AN ATTACHING PLATE AFFORDING PART OF A PUMP HOUSING AT THE OTHER END, A PUMP HOUSING COVER SNAP FITTED TO SAID ATTACHING PLATE AND CONFIGURED TO AFFORD A PUMP HOUSING THEREWITH, AN IMPELLER SHAFT EXTENDING TO SAID PUMP HOUSING, AND AN IMPLELLER SECURED TO SAID SHAFT WITHIN THE PUMP HOUSING.
References Cited (Backward Citations)
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Cited
US2930325A
Cited
US3041978A
Cited
US3212446A
Cited
US3205828A
Cited
US3274799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |