US2465314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gamma iron oxide-alkali metal pyroantimoniate catalyst and process of preparation
Assignee: Standard Oil Development Co
•
Filing: 1948-06-09
•
Granted: 1949-03-22
•
Expires: 1968-06-09
Abstract
No abstract record available.
Inventors
- 👤 Max A Mosesman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/843; B01J23/8435; C07C1/0445; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/16; C07C2523/18; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/76; C07C2523/84; C07C2523/843
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |