Patent US2848840A successfully refreshed from Google Patents.
US2848840A
Expired / Lapsed
US
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Agricultural soil treatment with granulated foamed rubber latex
Assignee: Individual
•
Filing: 1954-09-27
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Granted: 1958-08-26
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Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 O'brien Chester Henry
- 👤 O'brien Norman Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
A; A01; A01C; A01C21/00; Y; Y10; Y10S; Y10S260/00; Y10S260/14; Y10S47/00; Y10S47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AGRICULTURAL SOIL FOR THE PROMOTION OF PLANT LIFE IN THE SOIL COMPRISING COARSELY GRANULATED FOAMED RUBBER LATEX MIXED WITH NATURAL SOIL IN PROPORTION OF 10% TO 50% TO ENABLE THE GRANULATED FOAMED RUBBER LATEX TO EXERCISE ITS INHERENT CHARACTERISTICS OF CONTRACTING WHEN WET TO ABSORB SURPLUS MOISTURE IN THE SOIL AND TO EXPAND WHEN DRYING OUT TO GIVE UP THE WATER STORED IN THE GRANULATED FOAMED RUBBER LATEX CELLS SO AS TO AERATE THE SOIL AND THEREBY CONDITION THE SOIL TO ABSORB MOISTURE WHEN MOISTURE IS APPLIED TO THE SOIL AND THEREBY PREVENT WATER RUN-OFF.
Claim 2
Dependent Claim
95 words
AGRICULTURAL SOIL FOR THE PROMOTION OF PLANT LIFE IN THE SOIL COMPRISING COARSELY GRANULATED FOAMED RUBBER LATEX MIXED WITH NATURAL SOIL IN PROPORTION OF 10% TO 50% TO ENABLE THE GRANULATED FOAMED RUBBER LATEX TO EXERCISE ITS INHERENT CHARACTERISTICS OF CONTRACTING WHEN WET TO ABSORB SURPLUS MOISTURE IN THE SOIL AND TO EXPAND WHEN DRYING OUT TO GIVE UP THE WATER STORED IN THE GRANULATED FOAMED RUBBER LATEX CELLS SO AS TO AERATE THE SOIL AND THEREBY CONDITION THE SOIL TO ABSORB MOISTURE WHEN MOISTURE IS APPLIED TO THE SOIL AND THEREBY PREVENT WATER RUN-OFF.
References Cited (Backward Citations)
US1121324A
Cited
US1140437A
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US1882377A
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US1870110A
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US1931248A
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US2203274A
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US2342588A
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US2351256A
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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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |