US2425858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process fob isomerizing tertiary
Assignee: —
•
Filing: —
•
Granted: 1947-08-19
•
Expires: 1964-08-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C2/00; C07C2/86; C07C2/862; C07C2/864; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/905; Y10S585/949; Y10S585/954
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |