US3513096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil concentrate containing a compatible mixture of polyisobutylene and ethylene-alpha olefin copolymer
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1968-12-03
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Granted: 1970-05-19
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Expires: 1988-12-03
Abstract
No abstract record available.
Inventors
- 👤 Darrell W Brownawell
- 👤 Donald J Buckley
- 👤 Norman Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:09
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/06; C10M2205/10; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2779753A
Cited
US2791576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |