US2085924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrator
Assignee: National Aniline and Chemical Co Inc
•
Filing: 1929-05-25
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Granted: 1937-07-06
•
Expires: 1949-05-25
Abstract
No abstract record available.
Inventors
- 👤 Riegler Riewen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:52
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; B01J19/18; C; C07; C07B; C07B43/00; C07B43/02; C07C; C07C201/00; C07C201/06; C07C201/08; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00078; B01J2219/00087; B01J2219/00094; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/00768; B01J2219/18; B01J2219/185
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) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |