Documents in our library describe Micro-Flexboard (J/Hns-Manville) as “asbestos-cement sheets”.1 They give it as sold from 1958.1
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What each document says
Every statement about Micro-Flexboard (J/Hns-Manville) 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 1958-07-30”, said by J/HNS-MANVILLE CORPORATION, as recorded by U.S. Patent and Trademark Office1
- Description: “ASBESTOS-CEMENT SHEETS”, said by J/HNS-MANVILLE CORPORATION, as recorded by U.S. Patent and Trademark Office1
Kind of product
We list Micro-Flexboard (J/Hns-Manville) with asbestos-cement pipe, board and sheet, from how the documents describe it. That page explains how such products exposed workers.
Trades that worked with products like it: Carpenters and Construction Workers.
Asbestos-cement pipe, board and sheet by other makers (383)
Flexboard (Johns-Manville) · Thermobestos · Careytemp (Philip Carey) · Min-k (Johns-Manville) · Unibestos (Union Asbestos & Rubber Co.) · Marinite 30 (Johns-Manville) · Marinite 36 (Johns-Manville) · Marinite 45 (Johns-Manville) · Marinite 65 (Johns-Manville) · Marrakech (Johns-Manville) · Metal Veneered Marinite (Johns-Manville) · Metal-on (Johns-Manville) · Mill Board (Ruberoid) · Min-k 1301 (Johns-Manville) · Min-k 500 (Johns-Manville) · Miraweld (Kaiser Refractories) · Molten Metal Marinite (Johns-Manville) · Monobestos (Keasbey & Mattison) · Monobestos (Nicolet) · Mule-Hide (Lehon) · and 363 more: all asbestos-cement pipe, board and sheet
References
- USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition) (September 15, 1960). Not yet published in our library.
Cite this page
“Micro-Flexboard (J/Hns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/j-hns-manville-micro-flexboard.
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This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.