US3099896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil treating composition and method
Assignee: Individual
•
Filing: 1961-05-09
•
Granted: 1963-08-06
•
Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Kurth Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:00
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/52; Y; Y10; Y10S; Y10S106/00; Y10S106/90; Y10S260/00; Y10S260/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
THE METHOD OF CONDITIONING SOIL FOR THE GROWTH OF PLANT LIFE THEREIN WHICH COMPRISES FORMING IN THE SOIL A SUPPORTING LAYER OF AN ALGINATE-PENTAERYTHRITOL-SOBITOLFORMALDEHYDE CONDENSATE.
References Cited (Backward Citations)
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US2351256A
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US2570537A
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US2643236A
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US2785947A
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US2770921A
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US2895945A
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US3020676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |