US3276855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-alkylmercapto-ureas and a method for controlling weeds
Assignee: Velsicol Chemical LLC
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Filing: 1962-01-04
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Granted: 1966-10-04
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Expires: 1982-01-04
Abstract
No abstract record available.
Inventors
- 👤 Sidney B Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:00
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/32; A01N47/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
A METHOD FOR THE CONTROL OF UNDERSIRABLE PLANT GROWTH WHICH COMPRISES APPLYING TO THE LOCUS OF SAID PLANTS AN EFFECTING QUANTITY OF THE COMPOSITION OF A COMPOUND OF THE FORMULA
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |