US3254150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical coils for refrigerating apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1961-07-24
•
Granted: 1966-05-31
•
Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Dow A Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:55
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/30; H02K3/32; H02K3/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49073; Y10T428/00; Y10T428/25; Y10T428/251; Y10T428/31504; Y10T428/31511; Y10T428/31515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A SEALED APPARATUS CONTAINING A COMPRESSIBLE POLYHALOGENATED REFRIGERANT, AN INSULATED ELECTRICAL COIL COMPRISING A CONDUCTOR COMPRISING AT LEAST ONE SHEET OF PLIABLE BASE MATERIAL, A LAYER OF MICA PAPER DISPOSED UPON THE SHEET AND A THERMOSET BINDER JOINING THE SHEET AND MICA PAPER TOGETHER, THE BINDER CONSISTING ESSENTIALLY OF FROM 20% TO 40% BASED ON THE TOTAL WEIGHT OF THE INSULATION AND CONSISTING ESSENTIALLY OF THERMOSET EPOXY RESIN AND UP TO 10% OF FINELY DIVIDED FILLER, BY WEIGHT OF THE RESIN, THE THERMOSET EPOXY RESIN BEING DE-
Claim 2
Dependent Claim
88 words
IN A SEALED APPARATUS CONTAINING A COMPRESSIBLE POLYHALOGENATED REFRIGERANT, AN INSULATED ELECTRICAL COIL COMPRISING A CONDUCTOR COMPRISING AT LEAST ONE SHEET OF PLIABLE BASE MATERIAL, A LAYER OF MICA PAPER DISPOSED UPON THE SHEET AND A THERMOSET BINDER JOINING THE SHEET AND MICA PAPER TOGETHER, THE BINDER CONSISTING ESSENTIALLY OF FROM 20% TO 40% BASED ON THE TOTAL WEIGHT OF THE INSULATION AND CONSISTING ESSENTIALLY OF THERMOSET EPOXY RESIN AND UP TO 10% OF FINELY DIVIDED FILLER, BY WEIGHT OF THE RESIN, THE THERMOSET EPOXY RESIN BEING DE-
References Cited (Backward Citations)
US2656290A
Cited
US2613238A
Cited
US2707204A
Cited
US2713715A
Cited
US2780742A
Cited
US2847343A
Cited
US2917570A
Cited
US2956613A
Cited
US2935859A
Cited
GB852150A
Cited
US2970936A
Cited
US3071496A
Cited
US3110299A
Cited
US3146300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |