US1612167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dinitrobenzene pellet
Assignee: CALCO CHEMICAL Co
•
Filing: 1925-03-09
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Granted: 1926-12-28
•
Expires: 1945-03-09
Abstract
No abstract record available.
Inventors
- 👤 Alling P Beardsley
- 👤 Carl E Mensing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:56
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/06; B01J19/24; C; C07; C07C; C07C205/00; C07C205/06; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00121; Y; Y10; Y10S; Y10S264/00; Y10S264/37
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) | 1929-12-27 | 1930-06-28 | 1930-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-27 | 1934-06-28 | 1934-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-27 | 1938-06-28 | 1938-12-28 | $7700.00 | Window Closed / Lapsed |