US3144573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive magnetic coupling
Assignee: Individual
•
Filing: 1961-03-03
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Granted: 1964-08-11
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Bergey Ellwood
- 👤 Soden Adolph F Graf Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:49
CPC Classifications
H; H02; H02K; H02K49/00; F; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/026; F04D13/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A MAGNETIC DRIVE PLATE ASSEMBLY OF THE CLASS DESCRIBED, COMPRISING A CIRCULAR PLATE, A PAIR OF MAGNETICALLY INFLUENCED ELEMENTS PIVOTALLY MOUNTED ON THE SURFACE OF SAID CIRCULAR PLATE, AND BIMETALIC ELEMENTS INTERCONNECTING SAID PIVOTALLY MOUNTED MAGNETICALLY INFLUENCED ELEMENTS FOR DIRECTING AND FOR UNIFORMLY CONTROLLING THE PIVOTAL POSITION THEREOF, WHEN SUBJECTED TO A THERMIONIC HEAT PRODUCED BY THE ELECTRICAL CURRENT PASSING THERETO AND DURING THE OPERATION OF SAID DRIVE PLATE ASSEMBLY, SUBSTANTIALLY AS DESCRIBED.
Claim 2
Dependent Claim
74 words
IN A MAGNETIC DRIVE PLATE ASSEMBLY OF THE CLASS DESCRIBED, COMPRISING A CIRCULAR PLATE, A PAIR OF MAGNETICALLY INFLUENCED ELEMENTS PIVOTALLY MOUNTED ON THE SURFACE OF SAID CIRCULAR PLATE, AND BIMETALIC ELEMENTS INTERCONNECTING SAID PIVOTALLY MOUNTED MAGNETICALLY INFLUENCED ELEMENTS FOR DIRECTING AND FOR UNIFORMLY CONTROLLING THE PIVOTAL POSITION THEREOF, WHEN SUBJECTED TO A THERMIONIC HEAT PRODUCED BY THE ELECTRICAL CURRENT PASSING THERETO AND DURING THE OPERATION OF SAID DRIVE PLATE ASSEMBLY, SUBSTANTIALLY AS DESCRIBED.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |