US3267310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic transmission
Assignee: Indiana General Corp
•
Filing: 1963-05-07
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Granted: 1966-08-16
•
Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 James R Ireland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:57
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/06; H02K49/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A HYSTERESIS COUPLING UNIT COMPRISING A PAIR OF CERAMIC MAGNET ASSEMBLIES OF RELATIVELY LOW FLUX DENSITY IN SPACED CONFRONTING RELATION WITH THE LIKE MAGNET POLES CONFRONTING EACH OTHER, A HYSTERESIS MEMBER INTERPOSED IN THE SPACE BETWEEN SAID CERAMIC MAGNET ASSEMBLIES, MEANS FOR COUPLING A DRIVE MEANS TO SAID PAIR OF CERAMIC MAGNET ASSEMBLIES, AND TORQUE TRANSMITTING MEANS COUPLED TO SAID HYSTERESIS MEMBER.
Claim 2
Dependent Claim
62 words
A HYSTERESIS COUPLING UNIT COMPRISING A PAIR OF CERAMIC MAGNET ASSEMBLIES OF RELATIVELY LOW FLUX DENSITY IN SPACED CONFRONTING RELATION WITH THE LIKE MAGNET POLES CONFRONTING EACH OTHER, A HYSTERESIS MEMBER INTERPOSED IN THE SPACE BETWEEN SAID CERAMIC MAGNET ASSEMBLIES, MEANS FOR COUPLING A DRIVE MEANS TO SAID PAIR OF CERAMIC MAGNET ASSEMBLIES, AND TORQUE TRANSMITTING MEANS COUPLED TO SAID HYSTERESIS MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |