US3400357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry rotary joint
Assignee: Continental Can Co Inc
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Filing: 1966-12-09
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Granted: 1968-09-03
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 John T Cary
- 👤 Charles R Locke
- 👤 Richard F Scharf
- 👤 Martin F Ahrens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:31
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/36; B23K11/362; B23K11/366; H; H01; H01R; H01R39/00; H01R39/64; H01R39/643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A ROTARY CONDUCTOR FOR TRANSFERRING ELECTRICAL ENERGY INVOLVING HIGH LEVELS OF CURRENT, SAID CONDUCTOR COMPRISING A TUBULAR BODY, CONICAL PINS PROJECTING INTO SAID BODY FROM OPPOSITE ENDS THEREOF IN AXIAL ALIGNMENT WITH EACH OTHER SAID BODY, A SET OF SEGMENTAL BRUSHES ARRANGED CIRCUMFERENTIALLY AROUND EACH CONCIAL PIN, AND MEANS RESISIENTLY URGING SAID BRUSHES INTO ELECTRICAL ENERGY TRANSFERRING CONTACTING RELATION WITH SAID PINS SAID BODY.
Claim 2
Dependent Claim
64 words
A ROTARY CONDUCTOR FOR TRANSFERRING ELECTRICAL ENERGY INVOLVING HIGH LEVELS OF CURRENT, SAID CONDUCTOR COMPRISING A TUBULAR BODY, CONICAL PINS PROJECTING INTO SAID BODY FROM OPPOSITE ENDS THEREOF IN AXIAL ALIGNMENT WITH EACH OTHER SAID BODY, A SET OF SEGMENTAL BRUSHES ARRANGED CIRCUMFERENTIALLY AROUND EACH CONCIAL PIN, AND MEANS RESISIENTLY URGING SAID BRUSHES INTO ELECTRICAL ENERGY TRANSFERRING CONTACTING RELATION WITH SAID PINS SAID BODY.
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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |