US3488334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounds containing vanadium,oxygen and phosphorus,methods for making same,and catalysts using same for polymerization of unsaturated compounds
Assignee: OI Glass Inc
•
Filing: 1965-10-21
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Granted: 1970-01-06
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 John W Bayer
- 👤 William Charles Grinonneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
C; C08; C08F; C08F10/00; C08F36/00; C08F36/02; C08F36/04; C08F4/00; C08F4/06; C08F4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3112297A
Cited
US3427257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |