US2215038A
Expired / Lapsed
US
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Aminohydroxy compounds and derivatives and process of making the same
Assignee: Reichhold Chemicals Inc
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Filing: 1939-04-29
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Granted: 1940-09-17
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Expires: 1959-04-29
Abstract
No abstract record available.
Inventors
- 👤 Theodore S Hodgins
- 👤 Almon G Hovey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:23
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/24; C07C; C07C271/00; C07C271/06; C07C271/08; C07C271/10; C07C271/16; C11; C11B; C11B5/00; C11B5/0042; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
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) | 1943-09-17 | 1944-03-18 | 1944-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-17 | 1948-03-18 | 1948-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-17 | 1952-03-18 | 1952-09-17 | $7700.00 | Window Closed / Lapsed |