US2937204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-alkanoyl dinitrobenzamides
Assignee: Dow Chemical Co
•
Filing: 1957-11-25
•
Granted: 1960-05-17
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Guy H Harris
- 👤 Patricia S Ichioka
- 👤 Bryant C Fischback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:04
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/02; A; A01; A01N; A01N37/00; A01N37/44; A01N37/48; C07C233/90
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
AN N-LOWER ALKANOYL DINITROBENZAMIDE CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
8 words
AN N-LOWER ALKANOYL DINITROBENZAMIDE CORRESPONDING TO THE FORMULA
Claim 3
Dependent Claim
2 words
N-ACETYL 3,5-DINITROBENZAMIDE.
Claim 4
Dependent Claim
2 words
N-ACETYL 3,5-DINITROBENZAMIDE.
References Cited (Backward Citations)
US2235480A
Cited
US2436130A
Cited
US2439352A
Cited
US2477816A
Cited
US2619480A
Cited
GB748781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |