US3306221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnet drive plastic pump
Assignee: Individual
•
Filing: 1965-05-18
•
Granted: 1967-02-28
•
Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 Goodpasture Kenneth Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:08
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/10; H02K49/104; H02K49/106; F; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/026; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A CENTRIFUGAL PUMP OF THE CLASS DESCRIBED COMPRISING OF A PLASTIC BODY HAVING AN OUTLET PORT AND A PLASTIC SUCTION HEAD HAVING AN INLET PORT TOGETHER PROVIDING A PUMPING CHAMBER AND A MAGNET COMPARTMENT, A ROTATABLE MAGNETICALLY INFLUENCED CERAMIC MAGNET LOCATED IN SUCH COMPARTMENT WITH A PLASTIC IMPELLER SECURED TO AND DRIVEN BY SAME SUCH CERAMIC MAGNET WHICH IN TURN BECOMES THE INTERNAL SHAFT OF THE PUMP AND THE MAGNET COMPARTMENT OF THE PLASTIC BODY BECOMES THE SOLE BEARING FOR SAID MAGNET.
Claim 2
Dependent Claim
82 words
A CENTRIFUGAL PUMP OF THE CLASS DESCRIBED COMPRISING OF A PLASTIC BODY HAVING AN OUTLET PORT AND A PLASTIC SUCTION HEAD HAVING AN INLET PORT TOGETHER PROVIDING A PUMPING CHAMBER AND A MAGNET COMPARTMENT, A ROTATABLE MAGNETICALLY INFLUENCED CERAMIC MAGNET LOCATED IN SUCH COMPARTMENT WITH A PLASTIC IMPELLER SECURED TO AND DRIVEN BY SAME SUCH CERAMIC MAGNET WHICH IN TURN BECOMES THE INTERNAL SHAFT OF THE PUMP AND THE MAGNET COMPARTMENT OF THE PLASTIC BODY BECOMES THE SOLE BEARING FOR SAID MAGNET.
References Cited (Backward Citations)
US2366562A
Cited
US3205827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |