US2671121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 2-alkyl-1-alkenes
Assignee: Standard Oil Development Co
•
Filing: 1949-12-23
•
Granted: 1954-03-02
•
Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
- 👤 Fred W Banes
- 👤 Gerald William P Fitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:14
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/02; C07C1/00; C07C1/20; C07C1/24; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
PROCESS FOR PRODUCING LIQUID ALPHA-TETIARY MONO-OLEFINS OF THE TYPE:
Claim 2
Dependent Claim
9 words
PROCESS FOR PRODUCING LIQUID ALPHA-TETIARY MONO-OLEFINS OF THE TYPE:
References Cited (Backward Citations)
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Cited
US2076111A
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US2012785A
Cited
US2345625A
Cited
US2402137A
Cited
US2517732A
Cited
US2512649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |