US3227541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method
Assignee: US Borax Inc
•
Filing: 1962-08-27
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Granted: 1966-01-04
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Robert F Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:08
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/52; C07D239/54; C07D239/545; C07D239/553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A HERBICIDAL COMPOSITION HAVING RAPID INITIAL ACTION AND LONG-TERM ACTIVITY COMPRISING SODIUM METABORATE AND A SUBSTITUTED URACIL SELECTED FROM THE GROUP CONSISTING OF 3-ISOPROPYL-5-BROMO-6-METHYLURACIL AND 3-SEC.-BUTYL-5BROMO-6-METHYLURACIL; SAID COMPOSITION HAVING A WEIGHT RATIO OF METABORATE TO URACIL OF FROM ABOUT 3:1 TO ABOUT 1000:1.
Claim 2
Dependent Claim
43 words
A HERBICIDAL COMPOSITION HAVING RAPID INITIAL ACTION AND LONG-TERM ACTIVITY COMPRISING SODIUM METABORATE AND A SUBSTITUTED URACIL SELECTED FROM THE GROUP CONSISTING OF 3-ISOPROPYL-5-BROMO-6-METHYLURACIL AND 3-SEC.-BUTYL-5BROMO-6-METHYLURACIL; SAID COMPOSITION HAVING A WEIGHT RATIO OF METABORATE TO URACIL OF FROM ABOUT 3:1 TO ABOUT 1000:1.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |