US2984281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of elastomers
Assignee: Phillips Petroleum Co
•
Filing: 1956-08-27
•
Granted: 1961-05-16
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Kraus Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:21
CPC Classifications
B; B60; B60C; B60C1/00; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29C; B29C35/00; B29C35/02; B29C2035/0211; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD OF FORMING A LAMINATED CURED RUBBER WHICH COMPRISES POSITIONING A FIRST PLY OF RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL AND SYNTHETIC RUBBER, AND CONTAINING A VULCANIZING AGENT, IN CONTACT WITH THE FIRST SIDE OF A SECOND PLY OF AN ELASTOMER CONTAINING A VULCANIZING AGENT AND A LOW THERMAL CONDUCTIVITY FILLER, POSITIONING A THIRD PLY OF A POLYMERIC ELASTOMER PREPARED BY POLYMERIZING MONOMERIC MATERIAL COMPRISING AT LEAST 40 PARTS BY WEIGHT 1,3-BUTADIENE PER 100 PARTS TOTAL MONOMER, THE REMAINING MONOMER BEING SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIENES AND MONOMERS HAVING A SINGLE CH2=C< GROUP, IN CONTACT WITH THE SECOND
Claim 2
Independent Claim
104 words
A METHOD OF FORMING A LAMINATED CURED RUBBER WHICH COMPRISES POSITIONING A FIRST PLY OF RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL AND SYNTHETIC RUBBER, AND CONTAINING A VULCANIZING AGENT, IN CONTACT WITH THE FIRST SIDE OF A SECOND PLY OF AN ELASTOMER CONTAINING A VULCANIZING AGENT AND A LOW THERMAL CONDUCTIVITY FILLER, POSITIONING A THIRD PLY OF A POLYMERIC ELASTOMER PREPARED BY POLYMERIZING MONOMERIC MATERIAL COMPRISING AT LEAST 40 PARTS BY WEIGHT 1,3-BUTADIENE PER 100 PARTS TOTAL MONOMER, THE REMAINING MONOMER BEING SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIENES AND MONOMERS HAVING A SINGLE CH2=C< GROUP, IN CONTACT WITH THE SECOND
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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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |