US3429941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short cycle catalytic conversion of hydrocarbons
Assignee: Texaco Inc
•
Filing: 1967-09-27
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Granted: 1969-02-25
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Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Kerr
- 👤 Charles H Ware Jr
- 👤 William D Stepanek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:07
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/94; C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/90
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |