US3547964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Group viii noble metal catalyst recovery
Assignee: Union Oil Company of California
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Filing: 1968-07-24
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Granted: 1970-12-15
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Expires: 1988-07-24
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Olivier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:56
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/1895; B01J31/20; B01J31/24; B01J31/2404; B01J31/2409; B01J31/40; B01J31/4015; B01J31/4023; B01J31/4038; B01J31/4046; B01J31/4053; C; C01; C01G; C01G55/00; C01G55/001; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C07F; C07F15/00; C07F15/0006; C07F15/0013; C07F15/0073; C07F15/008; C07F9/00; C07F9/66; C07F9/70; C07F9/90; C07F9/94; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/822; B01J31/02; B01J31/0201; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |