US2354565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of normal paraffins
Assignee: Standard Oil Development Co
•
Filing: 1941-09-06
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Granted: 1944-07-25
•
Expires: 1961-09-06
Abstract
No abstract record available.
Inventors
- 👤 John E Wood
- 👤 Charles S Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:43
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2778; C07C5/2786
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) | 1947-07-25 | 1948-01-24 | 1948-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-25 | 1952-01-24 | 1952-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-25 | 1956-01-24 | 1956-07-25 | $7700.00 | Window Closed / Lapsed |