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US2744075A
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Expanded polyvinyl chloride plastic containing wax
Assignee: Goodyear Tire and Rubber Co
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Filing: 1951-10-20
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Granted: 1956-05-01
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Expires: 1971-10-20
Abstract
No abstract record available.
Inventors
- 👤 Winston J Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:22
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2491/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
CLOSED CELL NITROGEN EXPANDED STABILIZED AND PLASTICIZED POLYVINYL CHLORIDE PLASTIC SPONGE CONTAINING FROM 5 TO 25 PARTS PER 100 PARTS OF PLASTIC OF A SOLID WAX HAVING A MELTING POINT BETWEEN ABOUT 120* F. TO ABOUT 150* F. UNIFORMLY DISPERSED THROUGHOUT THE PLASTIC.
Claim 2
Dependent Claim
43 words
CLOSED CELL NITROGEN EXPANDED STABILIZED AND PLASTICIZED POLYVINYL CHLORIDE PLASTIC SPONGE CONTAINING FROM 5 TO 25 PARTS PER 100 PARTS OF PLASTIC OF A SOLID WAX HAVING A MELTING POINT BETWEEN ABOUT 120* F. TO ABOUT 150* F. UNIFORMLY DISPERSED THROUGHOUT THE PLASTIC.
References Cited (Backward Citations)
US2433849A
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US2518454A
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US2503003A
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US2589537A
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US2594217A
Cited
US2626968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |