US3102159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treated cellulosic material and electrical apparatus embodying the same
Assignee: Westinghouse Electric Corp
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Filing: 1962-03-23
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Granted: 1963-08-27
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 James G Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:10
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/07; D21H17/20; D21H17/33; D21H17/34; D21H17/37; D21H17/375; D21H17/46; D21H17/54; H; H01; H01B; H01B3/00; H01B3/18; H01B3/185; H01B3/48; H01B3/485; H01B3/52; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/323; H01F41/00; H01F41/02; H01F41/04; H01F41/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN IMPROVED SHEET CELLUOSIC PRODUCT HAVING INCREASED STABILITY AND RESISTANCE TO THERMAL DETERIORATION AND PARTICULARLY ADAPTED FOR USE AS ELECTRICAL INSULATION IN ELECTRICAL APPARATUS, THE SHEET CELLULOSIC PRODUCT COMPRISNG CELLULOSIC FIBERS IN SHEET FORM, THE SHEET HAVING UNIFORMLY DISTRIBUTED THROUGHOUT ITS INTERSTICES FROM ABOUT 0.5% TO ABOUT 5% BY WEIGHT BASED ON THE WEIGHT OF THE CELLULOSIC FIBERS OF A MIXTURE OF MELAMINE AND DICYANIAMIDE, THE PROPORTIONS BEING 5 TO 1 PARTS OF
Claim 2
Dependent Claim
73 words
AN IMPROVED SHEET CELLUOSIC PRODUCT HAVING INCREASED STABILITY AND RESISTANCE TO THERMAL DETERIORATION AND PARTICULARLY ADAPTED FOR USE AS ELECTRICAL INSULATION IN ELECTRICAL APPARATUS, THE SHEET CELLULOSIC PRODUCT COMPRISNG CELLULOSIC FIBERS IN SHEET FORM, THE SHEET HAVING UNIFORMLY DISTRIBUTED THROUGHOUT ITS INTERSTICES FROM ABOUT 0.5% TO ABOUT 5% BY WEIGHT BASED ON THE WEIGHT OF THE CELLULOSIC FIBERS OF A MIXTURE OF MELAMINE AND DICYANIAMIDE, THE PROPORTIONS BEING 5 TO 1 PARTS OF
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |