Patent US2089569A successfully refreshed from Google Patents.
US2089569A
Expired / Lapsed
US
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Addition products of glycide to organic compounds
Assignee: General Aniline Works Inc
•
Filing: 1933-02-23
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Granted: 1937-08-10
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Expires: 1953-02-23
Abstract
No abstract record available.
Inventors
- 👤 Orthner Ludwig
- 👤 Heuck Claus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/03; Y10S516/05; Y10S516/06
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) | 1940-08-09 | 1941-02-08 | 1941-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-09 | 1945-02-08 | 1945-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-09 | 1949-02-08 | 1949-08-10 | $7700.00 | Window Closed / Lapsed |