US1754296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of enhancing the flow of oils through pipe lines
Assignee: CATALYTIC CHEMICAL Co
•
Filing: 1927-02-16
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Granted: 1930-04-15
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Expires: 1947-02-16
Abstract
No abstract record available.
Inventors
- 👤 Albert H Ackerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:13
CPC Classifications
C; C10; C10L; C10L1/00; C10G; C10G1/00; C10G17/00; C10G17/02; C10G17/04; C10G17/06; C10L1/10; C10M; C10M1/00; C10M1/08; C10L1/12; C10L1/1233; C10L1/1266; C10L1/1283; C10L1/14; C10L1/16; C10L1/1608; C10L1/18; C10L1/185; C10L1/1852; C10L1/1855; C10M2201/00; C10M2201/02; C10M2201/06; C10M2201/063; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2201/10; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2209/00; C10M2209/12; C10M2215/00; C10M2215/20; C10M2215/202; C10N; C10N2010/00; C10N2010/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-04-14 | 1933-10-14 | 1934-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-14 | 1937-10-14 | 1938-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-14 | 1941-10-14 | 1942-04-15 | $7700.00 | Window Closed / Lapsed |