US2531276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for killing weeds
Assignee: Individual
•
Filing: 1946-03-06
•
Granted: 1950-11-21
•
Expires: 1966-03-06
Abstract
No abstract record available.
Inventors
- 👤 Walter C Klingel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:06
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD FOR SELECTIVELY KILLING WEEDS WITHOUT RENDERING SOIL INFERTILE OR PREVENTING GERMINATION OF GRASS SEED THEREIN WHICH COMPRISES APPLYING TO GROWING WEEDS TO BE DESTROYED A WATER SOLUTION CONTAINING ONE PART OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL HIGHER ALKYL SULPHATES AND AMMONIUM HIGHER ALKYL SULPHATES TOGETHER WITH FROM FIVE TO TWENTY-FIVE PARTS OF WATER.
Claim 2
Independent Claim
61 words
A METHOD FOR SELECTIVELY KILLING WEEDS WITHOUT RENDERING SOIL INFERTILE OR PREVENTING GERMINATION OF GRASS SEED THEREIN WHICH COMPRISES APPLYING TO GROWING WEEDS TO BE DESTROYED A WATER SOLUTION CONTAINING ONE PART OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL HIGHER ALKYL SULPHATES AND AMMONIUM HIGHER ALKYL SULPHATES TOGETHER WITH FROM FIVE TO TWENTY-FIVE PARTS OF WATER.
References Cited (Backward Citations)
US2084506A
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US1625608A
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US2056121A
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US2088019A
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US2277744A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |