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US1547714A
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Process for carrying out endothermic gas reactions
Assignee: FIRM SOCIETY OF CHEMICAL INDUSTRY IN BASLE
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Filing: 1922-02-16
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Granted: 1925-07-28
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Expires: 1942-02-16
Abstract
No abstract record available.
Inventors
- 👤 Andriessens Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:16
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/2415; B01J19/2435; B01J19/08; B01J19/087; B01J19/088; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/08; B01J2219/0803; B01J2219/0805; B01J2219/0807; B01J2219/0809; B01J2219/0824; B01J2219/0826; B01J2219/0828; B01J2219/0845; B01J2219/0847
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) | 1928-07-27 | 1929-01-26 | 1929-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-27 | 1933-01-26 | 1933-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-27 | 1937-01-26 | 1937-07-28 | $7700.00 | Window Closed / Lapsed |