US3404096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving trivalent titanium catalysts
Assignee: Hercules LLC
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Filing: 1965-06-02
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Granted: 1968-10-01
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Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Bayard T Lamborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S526/00; Y10S526/903; Y10S526/909
Claims Analysis
Total Claims: 0
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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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |