US3497461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bismuth molybdate on silica catalysts
Assignee: EIDP Inc
•
Filing: 1968-02-02
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Granted: 1970-02-24
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Expires: 1988-02-02
Abstract
No abstract record available.
Inventors
- 👤 William R Mcclellan
- 👤 Alvin B Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:10
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J23/31; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8876; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/186; B01J27/188; B01J27/19; B01J27/192; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C45/37; C07C45/38; C07C5/00; C07C5/42; C07C5/48; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B01J2523/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3102147A
Cited
US2381825A
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US2618615A
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US3142696A
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US3044966A
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US2991322A
Cited
US3415886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |