US3208025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary current transfer device
Assignee: Taylor Winfield Corp
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Filing: 1962-07-10
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Granted: 1965-09-21
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Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Hans H Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:18
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/64; H01R39/643; B; B23; B23K; B23K11/00; B23K11/36; B23K11/362
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
APPARATUS FOR TRANSMITTING HIGH AMPERAGE CURRENT BETWEEN A CURRENT-CONDUCTIVE MEMBER HAVING A BORE THEREIN AND A CURRENT-CONDUCTIVE SPINDLE ROTATABLY SUPPORTED IN SAID BORE FOR ROTATION ABOUT THE LONGITUDINAL AXIS OF SAID BORE COMPRISING A CURRENT-CONDUCTIVE SPLIT RING HAVING A CYLINDRICAL INNER SURFACE DISPOSED TOWARD SAID SPINDLE, A SECOND CURRENT CONDUCTIVE SPLIT RING HAVING A CYLINDRICAL OUTER SURFACE ADAPTED TO BE SNUGLY RECEIVED IN SAID BORE, SAID RINGS HAVING INTERENGAGING ANNULAR WEDGE SURFACES WHEREBY UPON AXIAL DISPLACEMENT OF ONE OF SAID RINGS WITH RESPECT TO THE OTHER OF SAID RINGS SAID FIRST MENTIONED RING WILL BE CONTACTED AND SAID SECOND
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |