Patent US3333127A successfully refreshed from Google Patents.
US3333127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic drive or coupling
Assignee: Bergstrom Manufacturing Co
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Filing: 1965-12-27
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Granted: 1967-07-25
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 George L Congdon
- 👤 Larry L Peiffer
- 👤 Leo F Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:44
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/046; H02K49/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A MAGNETIC DRIVE, COMPRISING: A GENERALLY CIRCULAR ROTARY MAGNET MEMBER HAVING A PLURALITY OF MAGNETIC POLE SETS SUBSTANTIALLY EQUALLY SPACED ANGULARLY WITHIN AN ANNULUS REMOTE FROM SAID MAGNET MEMBER''S AXIS OF ROTATION, SAID MAGNET MEMBER BEING CONTINUOUS AND PHYSIO-CHEMICALLY HOMOGENEOUS AND A GENERALLY CIRCULAR ROTARY INDUCTION MEMBER SUBSTANTIALLY COEXTENSIVELY OPPOSING SAID MAGNET MEMBER, PORTIONS OF SAID INDUCTION MEMBER BEING WITHIN MAGNETIC FIELDS ESTABLISHED BY SAID POLE SETS, SAID MEMBERS BEING CROSS-SECTIONALLY CONGRUOUS.
Claim 2
Dependent Claim
72 words
A MAGNETIC DRIVE, COMPRISING: A GENERALLY CIRCULAR ROTARY MAGNET MEMBER HAVING A PLURALITY OF MAGNETIC POLE SETS SUBSTANTIALLY EQUALLY SPACED ANGULARLY WITHIN AN ANNULUS REMOTE FROM SAID MAGNET MEMBER''S AXIS OF ROTATION, SAID MAGNET MEMBER BEING CONTINUOUS AND PHYSIO-CHEMICALLY HOMOGENEOUS AND A GENERALLY CIRCULAR ROTARY INDUCTION MEMBER SUBSTANTIALLY COEXTENSIVELY OPPOSING SAID MAGNET MEMBER, PORTIONS OF SAID INDUCTION MEMBER BEING WITHIN MAGNETIC FIELDS ESTABLISHED BY SAID POLE SETS, SAID MEMBERS BEING CROSS-SECTIONALLY CONGRUOUS.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |