US3261298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic pump coupling
Assignee: Individual
•
Filing: 1964-11-13
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Granted: 1966-07-19
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Curtis L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:31
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0057; F04C15/0061; F04C15/0069; H; H02; H02K; H02K49/00; H02K49/10; H02K49/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
APPARATUS FOR TRANSMITTING POWER FROM A POWER SOURCE TO THE INTERIOR OF A FLUID-MOVING PUMP CASING WITHOUT A MECHANICAL OR PHYSICAL CONNECTION COMPRISING; A PUMP CASING, A PORTION OF WHICH IS SUBSTANTIALLY NON-MAGNECTIC AND THROUGH WHICH MAGNETIC FORCES MAY PASS, A PLURALITY OF PUMPING MEMBERS INSIDE OF SAID CASING, MAGNETIC MEMBER FIXEDLY SECURED TO SAID PUMPING MEMBERS AND ROTATABLE THEREWITH, A PLURALITY OF MAGNETIC DRIVE MEMBERS OUTSIDE OF SAID CASING, SAID DRIVE MEMBERS AND MOUNTED FOR ROTATION IN AXIAL ALIGNMENT AND IN CLOSE PROXIMITY WITH SAID MAGNETIC MEMBERS INSIDE OF SAID CASING, AND MEANS SYNCHRONIZING ROTATION OF SAID DRIVE MEMBERS.
Claim 2
Dependent Claim
100 words
APPARATUS FOR TRANSMITTING POWER FROM A POWER SOURCE TO THE INTERIOR OF A FLUID-MOVING PUMP CASING WITHOUT A MECHANICAL OR PHYSICAL CONNECTION COMPRISING; A PUMP CASING, A PORTION OF WHICH IS SUBSTANTIALLY NON-MAGNECTIC AND THROUGH WHICH MAGNETIC FORCES MAY PASS, A PLURALITY OF PUMPING MEMBERS INSIDE OF SAID CASING, MAGNETIC MEMBER FIXEDLY SECURED TO SAID PUMPING MEMBERS AND ROTATABLE THEREWITH, A PLURALITY OF MAGNETIC DRIVE MEMBERS OUTSIDE OF SAID CASING, SAID DRIVE MEMBERS AND MOUNTED FOR ROTATION IN AXIAL ALIGNMENT AND IN CLOSE PROXIMITY WITH SAID MAGNETIC MEMBERS INSIDE OF SAID CASING, AND MEANS SYNCHRONIZING ROTATION OF SAID DRIVE MEMBERS.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |