US3288899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the continuous manufacture of shaped elastomeric material
Assignee: Pirelli and C SpA
•
Filing: 1963-05-03
•
Granted: 1966-11-29
•
Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Angioletti Attilio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/06; B; B29; B29C; B29C35/00; B29C35/02; B29C35/0222; B29C48/00; B29C48/022; B29C48/03; B29C48/05; B29C48/06; B29C48/25; B29C48/285; B29C48/288; B29C48/2886; B29C48/88; B29C48/91; B61; B61B; B61B12/00; B29C48/09; B29K; B29K2007/00; B29K2009/00; B29K2009/06; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/16; B29K2105/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD FOR THE CONTINUOUS MANUFACTURE OF SHAPED ELASTOMERIC MATERIAL COMPRISING THE STEPS OF (1) MIXING A VULCANIZABLE ELASTOMERIC COMPOSITION CONTAINING AT LEAST 50% BASED ON THE TOTAL ELASTOMER CONTENT OF A BUTADIENESTYRENE-DIVINYLBENZENE TERPOLYMER AND, CONSTITUTING THE REMAINING PART OF THE ELASTOMER CONTENT, AT LEAST ONE ADDITIONAL ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, POLYBUTADIENE, POLYISOPRENE, BUTADIENE-ACRYLONITRILE COPOLYMER AND POLYCHLOROPERENE; VULCANIZATION AGENTS; AND AT LEAST ONE
Claim 2
Independent Claim
70 words
A METHOD FOR THE CONTINUOUS MANUFACTURE OF SHAPED ELASTOMERIC MATERIAL COMPRISING THE STEPS OF (1) MIXING A VULCANIZABLE ELASTOMERIC COMPOSITION CONTAINING AT LEAST 50% BASED ON THE TOTAL ELASTOMER CONTENT OF A BUTADIENESTYRENE-DIVINYLBENZENE TERPOLYMER AND, CONSTITUTING THE REMAINING PART OF THE ELASTOMER CONTENT, AT LEAST ONE ADDITIONAL ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, POLYBUTADIENE, POLYISOPRENE, BUTADIENE-ACRYLONITRILE COPOLYMER AND POLYCHLOROPERENE; VULCANIZATION AGENTS; AND AT LEAST ONE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |