US2851824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of soils with asphalt
Assignee: X-Port Oils Inc
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Filing: 1954-10-14
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Granted: 1958-09-16
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Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Campbell Joseph Addison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:07
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD OF CONDITIONING SOILS TO INCREASE THEIR POROSITY AND ABILTIY TO RETAIN MOISTURE WHICH COMPRISES: APPLYING TO SOIL A FINE SPRAY OF ANAQUEOUS DISPERSION CONTAINING FROM ABOUT 1% TO 10% BY WEIGHT OF ASPHALT HAVING HYDROPHILIC CHARACTERISTICS,, SPRAY BEING APPLIED IN QUANTITY INSUFFICIENT TO FORM A CONTINOUS FILM OF ASPHALT OF THE SURFACE OF THE SOIL, AND FORMING SMALL AGGREATES OF SOIL BY TILTING THE SOIL TO DISTRIBUTE THE ASPHALT THROUGHOUT THE UPPER PORTION THEREOF.
Claim 2
Independent Claim
76 words
A METHOD OF CONDITIONING SOILS TO INCREASE THEIR POROSITY AND ABILTIY TO RETAIN MOISTURE WHICH COMPRISES: APPLYING TO SOIL A FINE SPRAY OF ANAQUEOUS DISPERSION CONTAINING FROM ABOUT 1% TO 10% BY WEIGHT OF ASPHALT HAVING HYDROPHILIC CHARACTERISTICS,, SPRAY BEING APPLIED IN QUANTITY INSUFFICIENT TO FORM A CONTINOUS FILM OF ASPHALT OF THE SURFACE OF THE SOIL, AND FORMING SMALL AGGREATES OF SOIL BY TILTING THE SOIL TO DISTRIBUTE THE ASPHALT THROUGHOUT THE UPPER PORTION THEREOF.
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |