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US4038095A Expired / Lapsed US ⏱️ 0.0 years remaining

Mixture for pavement bases and the like

Assignee: Nicholson Realty Ltd
•
Filing: 1976-05-11
•
Granted: 1977-07-26
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Expires: 1996-05-11
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Abstract

Abstract A mixture consisting essentially of fly ash, lime stack dust and aggregate which through pozzolanic reactions produces a hard, strong, durable mass capable of supporting surfacing.

Inventors

  • 👤 John Patrick Nicholson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 03:58
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/18; C04B28/02; C04B28/021; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S106/00; Y10S106/01

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 25 words
A mixture consisting essentially of fly ash, lime stack dust and aggregate which through pozzolanic reactions produces hard, strong, durable mass capable of supporting surfacing.
Claim 2
Dependent Claim 25 words
A mixture consisting essentially of fly ash, lime stack dust and aggregate which through pozzolanic reactions produces hard, strong, durable mass capable of supporting surfacing.
Claim 3
Dependent Claim 14 words
The mixture set forth in claim 1 wherein the aggregate comprises the major constituent.
Claim 4
Dependent Claim 54 words
The mixture set forth in claim 1 wherein said fly ash is in an amount between about 10% and 14% by dry weight, said lime stack dust is in an amount between about 5% and 15% by dry weight, and said aggregate is in an amount between about 71% and 85% by dry weight.
Claim 5
Dependent Claim 33 words
The mixture set forth in claim 1 wherein said fly ash comprises 12% by dry weight, said lime stack dust comprises 8% by dry weight, and said aggregate comprises 80% by dry weight.
Claim 6
Dependent Claim 14 words
The mixture set forth in claim 1 including a small amount of calcium chloride.
Claim 7
Independent Claim 39 words
The method of making a stabilized load bearing material which comprises mixing lime stack dust, fly ash, aggregate and water, compacting the mixture, and permitting the mixture to react to ambient temperatures to produce a hard, strong, durable mass.
Claim 8
Independent Claim 39 words
The method of making a stabilized load bearing material which comprises mixing lime stack dust, fly ash, aggregate and water, compacting the mixture, and permitting the mixture to react to ambient temperatures to produce a hard, strong, durable mass.
Claim 9
Dependent Claim 25 words
A mixture consisting essentially of pozzolan, lime stack dust and aggregate which through pozzolanic reactions produces a hard, strong, durable mass capable of supporting surfacing.
Claim 10
Dependent Claim 25 words
A mixture consisting essentially of pozzolan, lime stack dust and aggregate which through pozzolanic reactions produces a hard, strong, durable mass capable of supporting surfacing.
Claim 11
Independent Claim 70 words
The method of making a stabilized load bearing material which comprises mixing lime stack dust, fly ash, aggregate and water, said fly ash being in an amount between about 10% and 14% by dry weight, said lime stack dust being in an amount between about 5% and 15% by dry weight, compacting the mixture, and permitting the mixture to react to ambient temperatures to produce a hard, strong, durable mass.
Claim 12
Independent Claim 70 words
The method of making a stabilized load bearing material which comprises mixing lime stack dust, fly ash, aggregate and water, said fly ash being in an amount between about 10% and 14% by dry weight, said lime stack dust being in an amount between about 5% and 15% by dry weight, compacting the mixture, and permitting the mixture to react to ambient temperatures to produce a hard, strong, durable mass.

References Cited (Backward Citations)

US2942993A Cited
US3076717A Cited
US3852084A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-07-25 1981-01-24 1981-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-07-25 1985-01-24 1985-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-07-25 1989-01-24 1989-07-26 $7700.00 Window Closed / Lapsed

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