Patent US2360394A successfully refreshed from Google Patents.
US2360394A
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US
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Alcohol-reaction catalysts
Assignee: Heyden Chemical Corp
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Filing: 1942-03-09
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Granted: 1944-10-17
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Expires: 1962-03-09
Abstract
No abstract record available.
Inventors
- 👤 Burrell Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:51
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/03; B; B01; B01J; B01J31/00; B01J31/02; B01J31/04; C07C67/08; C11; C11C; C11C3/00; C11C3/04; B01J2231/00; B01J2231/40; B01J2231/49
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) | 1947-10-17 | 1948-04-17 | 1948-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-17 | 1952-04-17 | 1952-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-17 | 1956-04-17 | 1956-10-17 | $7700.00 | Window Closed / Lapsed |