US2029604A
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Carrying out exothermic catalytic gas reactions
Assignee: IG Farbenindustrie AG
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Filing: 1931-02-10
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Granted: 1936-02-04
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Expires: 1951-02-10
Abstract
No abstract record available.
Inventors
- 👤 Bayer Joseph
- 👤 Haltmeier Alfred
- 👤 Hencky Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:52
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; B01J8/065; B01J8/04; B01J8/0446; B01J8/0476; B01J8/0484; B01J8/0492; B01J8/067; C; C01; C01B; C01B17/00; C01B17/69; C01B17/74; C01B17/76; C01B17/80; C01B17/803; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00221; B01J2208/0023; B01J2208/00309; B01J2208/00796; B01J2208/00823; B01J2208/00831; B01J2208/00849
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-02-03 | 1939-08-05 | 1940-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-03 | 1943-08-05 | 1944-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-03 | 1947-08-05 | 1948-02-04 | $7700.00 | Window Closed / Lapsed |