US2815294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized soil
Assignee: CONVERSION SYSTEMS OF PENNSYLVANIA Inc
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Filing: 1954-12-22
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Granted: 1957-12-03
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Expires: 1974-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jules E Havelin
- 👤 Kahn Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:28
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/02; C09K17/06; E; E01; E01C; E01C7/00; E01C7/36; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A STABILIZED SOIL COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF ABOUT 5% TO ABOUT 25% BY WEIGHT FLY ASH ABOUT 35% TO ABOUT 75% BY WEIGHT PLASTIC SOIL, ABOUT 20% TO ABOUT 50% AGGREGATE, THE SUM OF THE PERCENTAGES OF FLY ASH, SOIL AND AGGREGATE BEING SUBSTANTIALLY EQUAL TO 100%, AND ABOUT 2% TO ABOUT 9% LIME, THE PERCENTAGE OF LIME BEING BASED ON THE TOTAL WEIGHT OF FLY, ASH, SOIL AND AGGREGATE, SAID AGGREGATE COMPRISING A PLURALITY OF DISCRETE PARTICLES WHICH ARE SUBSTANTIALLY CHEMICALLY INERT WITH RESPECT TO FLY ASH AND LIME, AND SUBSTANTIALLY INSOLUBLE IN WATER, THE MAJORITY OF SAID PARTICLES RANGING IN SIZE FROM ABOUT FORTY MESH TO ABOUT ONE HALF INCH.
Claim 2
Dependent Claim
114 words
A STABILIZED SOIL COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF ABOUT 5% TO ABOUT 25% BY WEIGHT FLY ASH ABOUT 35% TO ABOUT 75% BY WEIGHT PLASTIC SOIL, ABOUT 20% TO ABOUT 50% AGGREGATE, THE SUM OF THE PERCENTAGES OF FLY ASH, SOIL AND AGGREGATE BEING SUBSTANTIALLY EQUAL TO 100%, AND ABOUT 2% TO ABOUT 9% LIME, THE PERCENTAGE OF LIME BEING BASED ON THE TOTAL WEIGHT OF FLY, ASH, SOIL AND AGGREGATE, SAID AGGREGATE COMPRISING A PLURALITY OF DISCRETE PARTICLES WHICH ARE SUBSTANTIALLY CHEMICALLY INERT WITH RESPECT TO FLY ASH AND LIME, AND SUBSTANTIALLY INSOLUBLE IN WATER, THE MAJORITY OF SAID PARTICLES RANGING IN SIZE FROM ABOUT FORTY MESH TO ABOUT ONE HALF INCH.
References Cited (Backward Citations)
US2564690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |