Lightweight cementitious roofing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 14, 1995
Issued Date -
N/A
app pub date -
Jul 20, 1993
filing date -
Apr 30, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lightweight roofing shingle or tile having an elongated body with top and bottom surfaces that taper lengthwise of the body as provided by beveling of underside ribs. The shingle or tile has a composition consisting of expanded perlite, Portland cement, and an ingredient or ingredients selected from the group consisting of pumice and expanded shale, all ingredients being mixed particulate form, hydrated and cured.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully