US1917285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen derivative of alpha-naphthoyl-omicron-benzoic acid
Assignee: EIDP Inc
•
Filing: 1932-03-16
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Granted: 1933-07-11
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Expires: 1952-03-16
Abstract
No abstract record available.
Inventors
- 👤 Adams Roger
- 👤 Johnson Earl Hanford
- 👤 Viktor M Weinmayr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:49
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/32; C07C65/34; C07C201/00; C07C201/06; C07C201/08; C07C205/00; C07C205/49; C07C205/57; C07C205/61; C07C51/00; C07C51/347; C07C51/363
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) | 1936-07-10 | 1937-01-09 | 1937-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-10 | 1941-01-09 | 1941-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-10 | 1945-01-09 | 1945-07-11 | $7700.00 | Window Closed / Lapsed |