US3039978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covulcanizing butyl rubber and a high unsaturation rubber with a 2, 6-dihalomethyl alkylphenol resin
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-11-29
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Granted: 1962-06-19
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 James V Fusco
- 👤 Samuel B Robison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:33
CPC Classifications
C; C08; C08L; C08L21/00; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22
Claims Analysis
Total Claims: 0
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |