Patent US3141850A successfully refreshed from Google Patents.
US3141850A
Expired / Lapsed
US
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Insulating composition containing poly-
Assignee: —
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Filing: —
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Granted: 1964-07-21
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:28
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29; H01B7/295; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
AN ELECTRICAL INSULATING MATERIAL FORMED FROM ABOUT 65% BY WEIGHT OF POLYVINYL CHLORIDE, ABOUT 22% BY WEIGHT OF TRIALLYL CYANURATE, A MINERAL FILLER, AND A FLAME RETARDANT.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |