US1720751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3'-nitro-4'-acidylamido-o-benzoyl-benzoic acids and process of making the same
Assignee: NEWPORT Co
•
Filing: 1927-07-09
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Granted: 1929-07-16
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Expires: 1947-07-09
Abstract
No abstract record available.
Inventors
- 👤 Adams Roger
- 👤 Moyer Wendell William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:45
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/15
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) | 1932-07-15 | 1933-01-14 | 1933-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-15 | 1937-01-14 | 1937-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-15 | 1941-01-14 | 1941-07-16 | $7700.00 | Window Closed / Lapsed |