Patent US2295574A successfully refreshed from Google Patents.
US2295574A
Expired / Lapsed
US
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Substituted [1,3,5-triazinyl-(6)]-aminophenyl-arsonic acids and process for manufacture of same
Assignee: Individual
•
Filing: 1939-12-20
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Granted: 1942-09-15
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Expires: 1959-12-20
Abstract
No abstract record available.
Inventors
- 👤 Friedheim Ernst Albert Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:29
CPC Classifications
C; C07; C07J; C07J1/00; C07F; C07F9/00; C07F9/66; C07F9/70; C07F9/80; C07J75/00
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) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |