Patent US2023637A successfully refreshed from Google Patents.
US2023637A
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Process and apparatus for promoting chemical reactions in the electrical discharge
Assignee: Arthur D Little Inc
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Filing: 1930-07-08
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Granted: 1935-12-10
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Expires: 1950-07-08
Abstract
No abstract record available.
Inventors
- 👤 Robert V Kleinschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; C07C2/80; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; H; H01; H01J; H01J37/00; H01J37/32
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) | 1938-12-09 | 1939-06-10 | 1939-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-09 | 1943-06-10 | 1943-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-09 | 1947-06-10 | 1947-12-10 | $7700.00 | Window Closed / Lapsed |