Patent US4662513A successfully refreshed from Google Patents.
US4047962A
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US
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Construction composition
Assignee: Copeland Concrete Products Inc
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Filing: 1974-05-28
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Granted: 1977-09-13
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Expires: 1994-05-28
Abstract
Abstract A construction composition developed to provide a material of construction which can be utilized to build essentially all types of structures, including houses, office buildings, and the like, which composition is capable of being wet mixed and subsequently molded into convenient and useful shapes. The composition has great strength, excellent shrink resistance properties, is highly shock resistant, provides good insulation for structures, and is adapted for use with suitable molds to form the entire wall structure of a house or other building in a single pouring.
Inventors
- 👤 William Leo Copeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S106/00; Y10S106/01
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
78 words
A composition, which upon mixing with water and subsequent setting forms a material of construction, consisting essentially of: a. gypsum in a volume percentage of from about 15% to about 40%; b. an expanded material in a volume percentage of from about 9% to about 29%; c. cement in a volume percentage of from about 15% to about 40%; and d. polypropylene or fiberglass or sisal fibers in a volume percentage of from about 1% to about 2%.
Claim 2
Dependent Claim
78 words
A composition, which upon mixing with water and subsequent setting forms a material of construction, consisting essentially of: a. gypsum in a volume percentage of from about 15% to about 40%; b. an expanded material in a volume percentage of from about 9% to about 29%; c. cement in a volume percentage of from about 15% to about 40%; and d. polypropylene or fiberglass or sisal fibers in a volume percentage of from about 1% to about 2%.
Claim 3
Dependent Claim
23 words
The composition of claim 1 further including fly ash or limestone dust in a volume percentage of from about 5% to about 10%.
Claim 4
Dependent Claim
13 words
The composition of claim 1 wherein said expanded material is an expanded ore.
Claim 5
Dependent Claim
32 words
The composition of claim 1 wherein said expanded material is an expanded ore and further including fly ash or limestone dust in a volume percentage of from about 5% to about 10%.
Claim 6
Dependent Claim
13 words
The composition of claim 4 wherein said expanded ore is vermiculite or pearlite.
Claim 7
Dependent Claim
121 words
A composition, which upon mixing with water and subsequent setting forms a material of construction, consisting essentially of gypsum, in a volume percentage of from about 15% to about 40%, vermiculite or pearlite in a volume percentage of from about 9% to about 29%, Portland cement, in a volume percentage of from about 15% to about 40%, polypropylene or sisal or fiberglass fibers, in a volume percentage of from about 1% to about 2%, limestone dust or fly ash, in a volume percentage of from about 5% to about 10%, wood asbestos, or sugar dane fibers in a volume percentage of from about 8% to about 28% and sodium citrate in a volume percentage of from about 0.5% to about 1.5%.
Claim 8
Dependent Claim
121 words
A composition, which upon mixing with water and subsequent setting forms a material of construction, consisting essentially of gypsum, in a volume percentage of from about 15% to about 40%, vermiculite or pearlite in a volume percentage of from about 9% to about 29%, Portland cement, in a volume percentage of from about 15% to about 40%, polypropylene or sisal or fiberglass fibers, in a volume percentage of from about 1% to about 2%, limestone dust or fly ash, in a volume percentage of from about 5% to about 10%, wood asbestos, or sugar dane fibers in a volume percentage of from about 8% to about 28% and sodium citrate in a volume percentage of from about 0.5% to about 1.5%.
Claim 9
Dependent Claim
9 words
The composition of claim 1 further including calcium chloride.
Claim 10
Dependent Claim
9 words
The composition of claim 1 further including sodium citrate.
Claim 11
Dependent Claim
89 words
A composition, which upon mixing with water and subsequent setting forms a material of construction, consisting essentially of gypsum, in a volume percentage of about 21%; vermiculite or pearlite, in a volume percentage of about 28%; Portland cement in a volume percentage of about 21; wood fibers in a volume percentage of about 21%; fly ash or limestone dust in a volume percentage of about 7%; polypropylene or sisal or fiberglass fibers in a volume percentage of about 1%; and sodium citrate in a volume percentage of about 1%.
Claim 12
Dependent Claim
89 words
A composition, which upon mixing with water and subsequent setting forms a material of construction, consisting essentially of gypsum, in a volume percentage of about 21%; vermiculite or pearlite, in a volume percentage of about 28%; Portland cement in a volume percentage of about 21; wood fibers in a volume percentage of about 21%; fly ash or limestone dust in a volume percentage of about 7%; polypropylene or sisal or fiberglass fibers in a volume percentage of about 1%; and sodium citrate in a volume percentage of about 1%.
Claim 13
Dependent Claim
20 words
The composition of claim 6 wherein sodium citrate is present in said composition in a volume percentage of about 1%.
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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) | 1980-09-12 | 1981-03-14 | 1981-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-12 | 1985-03-14 | 1985-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-12 | 1989-03-14 | 1989-09-13 | $7700.00 | Window Closed / Lapsed |