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Patent US2435708A successfully refreshed from Google Patents.
US2435708A
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Process for the production of synthetic isoparaffinic oil
Assignee: Union Oil Company of California
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Filing: 1942-06-08
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Granted: 1948-02-10
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Expires: 1962-06-08
Abstract
No abstract record available.
Inventors
- 👤 Alva C Byrns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:13
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/22; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/054; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/903; Y10S585/949; Y10S585/954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB515367A
Cited
GB515039A
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US2211747A
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US2322482A
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US2286504A
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US2260944A
Cited
US2256615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |