Patent US3353030A successfully refreshed from Google Patents.
Patent US2652323A successfully refreshed from Google Patents.
US2652323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-01-03
•
Granted: 1953-09-15
•
Expires: 1971-01-03
Abstract
No abstract record available.
Inventors
- 👤 David T Mowry
- 👤 Ross M Hedrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; Y; Y10; Y10S; Y10S260/00; Y10S260/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A SOLID COMPOSITION COMPRISING FROM 0.05 TO 20 PER CENT BY WEIGHT OF A HERBICIDE AND FROM 80 TO 99.95 PER CENT OF A CARRIER CONSISTING OF A WATER-SOLUBLE COPOLYMER HAVING NUMEROUS RECURRING UNITS OF THE FOLLOWING STRUCTURE:
Claim 2
Dependent Claim
38 words
A SOLID COMPOSITION COMPRISING FROM 0.05 TO 20 PER CENT BY WEIGHT OF A HERBICIDE AND FROM 80 TO 99.95 PER CENT OF A CARRIER CONSISTING OF A WATER-SOLUBLE COPOLYMER HAVING NUMEROUS RECURRING UNITS OF THE FOLLOWING STRUCTURE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |