← Back to Patent Explorer
US3359438A Expired / Lapsed US ⏱️ 0.0 years remaining

Cooling and shaft coupling arrangement

Assignee: Westinghouse Electric Corp
•
Filing: 1965-10-01
•
Granted: 1967-12-19
•
Expires: 1985-10-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Lyle L Hylen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:04
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)

US2894155A Cited
US2897383A Cited
US3075104A Cited
US3145314A Cited
US3114094A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag