US2449463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process
Assignee: Standard Oil Co
•
Filing: 1945-06-29
•
Granted: 1948-09-14
•
Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Evering
- 👤 Arthur P Lien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:46
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB292932A
Cited
US2267730A
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US2366743A
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US2305248A
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US2375675A
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US2339786A
Cited
US2378762A
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US2376328A
Cited
US2343841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |