US2658857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bituminous saturant
Assignee: Standard Oil Development Co
•
Filing: 1951-03-29
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Granted: 1953-11-10
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Expires: 1971-03-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Roediger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:00
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/002; C10G; C10G11/00; C10G9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
PROCESS FOR PREPARING BITUMINOUS MATERIAL, SUITABLE AS A SATURANT FOR FIBER BOARD AND OTHER PURPOSES, WHICH COMPRISES SUBJECTING THE CYCLE OIL FORM A CATALYTIC CRACKING OPERATION TO THERMAL
Claim 2
Dependent Claim
28 words
PROCESS FOR PREPARING BITUMINOUS MATERIAL, SUITABLE AS A SATURANT FOR FIBER BOARD AND OTHER PURPOSES, WHICH COMPRISES SUBJECTING THE CYCLE OIL FORM A CATALYTIC CRACKING OPERATION TO THERMAL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |