Documents in our library describe Sturdy Guardian Of Your Roof (American Lubricants) as “asbestos fibre roof coating and plastic asbestos roof cement”.1 They give it as sold from 1947.1
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What each document says
Every statement about Sturdy Guardian Of Your Roof (American Lubricants) in the documents, in each document's own words.
USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition)
- Sold from: “first used in commerce 1947-08-01”, said by AMERICAN LUBRICANTS COMPANY, THE, as recorded by U.S. Patent and Trademark Office1
- Description: “ASBESTOS FIBRE ROOF COATING AND PLASTIC ASBESTOS ROOF CEMENT”, said by AMERICAN LUBRICANTS COMPANY, THE, as recorded by U.S. Patent and Trademark Office1
Kind of product
Trades that worked with products like it: Roofers.
References
- USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition) (July 16, 1948). Not yet published in our library.
Cite this page
“Sturdy Guardian Of Your Roof (American Lubricants).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/american-lubricants-sturdy-guardian-of-your-roof.
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