US2778808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil extended synthetic rubber compositions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-05-27
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Granted: 1957-01-22
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Expires: 1973-05-27
Abstract
No abstract record available.
Inventors
- 👤 Walter L Dunkel
- 👤 Francis P Ford
- 👤 William C Dowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION OF MATTER COMPRISING A RUBBER AND A PLASTICIZING AMOUNT OF AN EXTENDER OIL CONSISTING OF A RAFFINATE HAVING APPROXIMATELY THE FOLLOWING PROPERTIES:
Claim 2
Dependent Claim
24 words
A COMPOSITION OF MATTER COMPRISING A RUBBER AND A PLASTICIZING AMOUNT OF AN EXTENDER OIL CONSISTING OF A RAFFINATE HAVING APPROXIMATELY THE FOLLOWING PROPERTIES:
References Cited (Backward Citations)
US2582264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |