Patent US3475136A successfully refreshed from Google Patents.
US3475136A
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Apparatus for effecting catalytic reactions at elevated pressures
Assignee: Pullman Inc
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Filing: 1966-05-09
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Granted: 1969-10-28
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Gunther P Eschenbrenner
- 👤 Charles A Honigsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:17
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0417; C01C1/0423; B; B01; B01J; B01J8/00; B01J8/0005; B01J8/02; B01J8/04; B01J8/0446; B01J8/0449; B01J8/0453; B01J8/0492; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00194; B01J2208/00212; B01J2208/02; B01J2208/023; B01J2208/024; B01J2208/025; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1689684A
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US1943580A
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US2512586A
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US2886517A
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US3041150A
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US3235344A
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US3212862A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |