US2129732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of liquid hydrocarbons from gaseous olefines
Assignee: Standard Oil Development Co
•
Filing: 1936-10-07
•
Granted: 1938-09-13
•
Expires: 1956-10-07
Abstract
No abstract record available.
Inventors
- 👤 Stewart C Fulton
- 👤 Jr Thomas Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; C07C2521/00; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/06
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) | 1941-09-12 | 1942-03-14 | 1942-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-12 | 1946-03-14 | 1946-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-12 | 1950-03-14 | 1950-09-13 | $7700.00 | Window Closed / Lapsed |