Patent US3444244A successfully refreshed from Google Patents.
US3444244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dinitrophenylpropanols having herbicidal properties
Assignee: Honeywell International Inc
•
Filing: 1966-11-15
•
Granted: 1969-05-13
•
Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Peter E Newallis
- 👤 Edmund J Rumanowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:14
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/37; C07C205/13; C07C205/20; C07C205/21; C07C205/23; C07C205/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2426417A
Cited
US3236894A
Cited
US3324185A
Cited
US3356485A
Cited
US3355500A
Cited
US3304334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |