US3464914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulation of catalyst seal leg temperature
Assignee: Mobil Oil AS
•
Filing: 1967-07-27
•
Granted: 1969-09-02
•
Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Vern W Weekman Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:22
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/001; C; C10; C10G; C10G11/00; C10G11/14; C10G11/16; Y; Y10; Y10S; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3175968A
Cited
US3271472A
Cited
US3213014A
Cited
US3238121A
Cited
US3238122A
Cited
US3316170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |