US2433944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuously reacting saturated tertiary hydrocarbons and olefines
Assignee: Standard Oil Development Co
•
Filing: 1938-11-05
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Granted: 1948-01-06
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Expires: 1958-11-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Draeger
- 👤 Charles T Shewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:19
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/924; Y10S585/926; Y10S585/949; Y10S585/954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2001910A
Cited
US2009108A
Cited
FR824329A
Cited
GB479345A
Cited
US2112846A
Cited
US2112847A
Cited
US2211747A
Cited
US2169809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |