Patent US3271603A successfully refreshed from Google Patents.
US3271603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for transmitting electrical currents
Assignee: BBC Brown Boveri AG Germany
•
Filing: 1963-12-30
•
Granted: 1966-09-06
•
Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Wiedemann Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:29
CPC Classifications
H; H02; H02K; H02K13/00; H02K13/003; H01; H01R; H01R39/00; H01R39/64; H01R39/646; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
48 words
A DEVICE FOR TRANSMITTING ELECTRICAL CURRENTS FROM STATIONARY TO ROTATING PARTS, CHARACTERIZED IN THAT AN ELECTRICALLY CONDUCTIVE SOLID MATTER FINELY DIVIDED INTO A POURABLE STATE SCREWS AS THE TRANSMISSION MEDIUM AND THAT BETWEEN THE CONTACT POINTS OF SAID PARTS A CHANNEL FOR GUIDING THE CONDUCTIVE MATTER IS PROVIDED.
Claim 2
Independent Claim
48 words
A DEVICE FOR TRANSMITTING ELECTRICAL CURRENTS FROM STATIONARY TO ROTATING PARTS, CHARACTERIZED IN THAT AN ELECTRICALLY CONDUCTIVE SOLID MATTER FINELY DIVIDED INTO A POURABLE STATE SCREWS AS THE TRANSMISSION MEDIUM AND THAT BETWEEN THE CONTACT POINTS OF SAID PARTS A CHANNEL FOR GUIDING THE CONDUCTIVE MATTER IS PROVIDED.
Claim 3
Dependent Claim
37 words
A DEVICE AS IN CLAIM 1, CHARACTERIZED IN THAT THE CHANNEL BETWEEN THE STATIONARY AND ROTATING PART IS ARRANGED IN SUCH A MANNER, THAT THE SOLID MATTER AT THE CONTACT POINT IS COMPRESSED BY THE CENTRIFUGAL EFFECT.
References Cited (Backward Citations)
US511328A
Cited
DE1094354B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |