US3022208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing element bonded with a cured mixture of a butadiene polymer and diethyl fumarate, and process for preparing same
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-10-13
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Granted: 1962-02-20
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Byron M Vanderbilt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T442/00; Y10T442/20; Y10T442/2926; Y10T442/2934
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A REINFORCED PLASTIC COMPRISING A REINFORCING ELEMENT BONDED WITH A CURED MIXTURE OF 50-80 PARTS BY WEIGHT OF A BUTADIENE POLYMER OF 100 TO 50% BUTADIENE1,3 AND 0 TO 50% STYRENE AND 20-50 PARTS BY WEIGHT OF DIETHYL FUMARATE.
References Cited (Backward Citations)
US2772254A
Cited
US2903440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |