Patent US1902384A successfully refreshed from Google Patents.
US1902384A
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Process for producing chemical reactions in gases and vapors with aid of a high tension electric arc
Assignee: BASF Schweiz AG
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Filing: 1932-10-08
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Granted: 1933-03-21
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Expires: 1952-10-08
Abstract
No abstract record available.
Inventors
- 👤 Steinbuch Ewald
- 👤 Eschmann Max
- 👤 Schwammberger Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/02; C01C3/0208; C01C3/025; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C01B; C01B21/00; C01B21/20; C01B21/203; C07; C07C; C07C2/00; C07C2/76; C07C2/80
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) | 1936-03-20 | 1936-09-19 | 1937-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-20 | 1940-09-19 | 1941-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-20 | 1944-09-19 | 1945-03-21 | $7700.00 | Window Closed / Lapsed |