Patent US3448060A successfully refreshed from Google Patents.
US3448060A
Expired / Lapsed
US
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Supported skeletal nickel catalyst
Assignee: Gas Technology Institute
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Filing: 1966-05-02
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Granted: 1969-06-03
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 David Mcarthur Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:14
CPC Classifications
B; B01; B01J; B01J25/00; B01J25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2928891A
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US2975041A
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US2980632A
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US2950260A
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US3087234A
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US3317439A
Cited
US3112995A
Cited
US3264228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |