Patent US2870037A successfully refreshed from Google Patents.
US2870037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating grass
Assignee: —
•
Filing: —
•
Granted: 1959-01-20
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Expires: 1976-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:16
CPC Classifications
A; A01; A01N; A01N3/00; A01G; A01G20/00; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A PROCESS FOR TREATING DISCOLORED GRASS TO IMPART A PERMANENT COLOR THERETO AND PROVIDE PROTECTION FROM DETERIORATION UNTIL THE TREATED GRASS IS REPLACED BY NEW GROWTH, SAID PROCESS COMPRISING APPLYING TO THE DISCOLORED GRASS A PIGMENTED, AQUEOUS DISPERSION OF A FILM-FORMING, WATER-INSOLUBLE, RESINOUS BINDER WHEREIN THE RATIO OF BINDER SOLIDS TO PIGMENT SOLIDS IS IN THE RANGE OF FROM ABOUT 0.75:1 TO 3.0:1; SAID AQUEOUS DISPERSION HAVING A SOLIDS CONTENT CONSISTING ESSENTIALLY OF FROM ABOUT 39% TO 76% RESINOUS BINDER SOLIDS, FROM ABOUT 56% TO 22% PIGMENT SOLIDS; FROM ABOUT 0% TO 5% THICKENING AGENT AND FROM ABOUT 0% TO 5% WETTING AND DISPERSING AGENT, ALL OF SAID PERCENTAGES BEING EXPRESSED IN TERMS OF WEIGHT.
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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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |