Patent US3359438A successfully refreshed from Google Patents.
US3359438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling and shaft coupling arrangement
Assignee: Westinghouse Electric Corp
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Filing: 1965-10-01
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Granted: 1967-12-19
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Lyle L Hylen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:12
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/38; H02K9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A COUPLING ARRANGEMENT FOR AT LEAST TWO ROTATING MACHINES, EACH HAVING A SHAFT MEANS EXTENDING THEREBETWEEN WITH MEANS FOR COUPLING ADJACENT ENDS OF THE SHAFTS TOGETHER, AT LEAST ONE HOLLOW ELECTRICAL CONDUCTOR DISPOSED IN EACH OF SAID SHAFTS AND INSULATED THEREFROM, MEANS FOR
Claim 2
Dependent Claim
43 words
A COUPLING ARRANGEMENT FOR AT LEAST TWO ROTATING MACHINES, EACH HAVING A SHAFT MEANS EXTENDING THEREBETWEEN WITH MEANS FOR COUPLING ADJACENT ENDS OF THE SHAFTS TOGETHER, AT LEAST ONE HOLLOW ELECTRICAL CONDUCTOR DISPOSED IN EACH OF SAID SHAFTS AND INSULATED THEREFROM, MEANS FOR
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |