Documents in our library describe Korduct (Johns-Manville) as “asbestos-cement electrical conduit”.1 They give it as sold from 1936.1
You don't need the product names or old records. No fee unless we recover compensation for your family.
Asbestos claims
If you or a family member worked with or around Korduct (Johns-Manville) and later developed mesothelioma or another asbestos disease, a claim may be paid by the Manville Personal Injury Settlement Trust. Free case review.
What each document says
Every statement about Korduct (Johns-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 1936-05-28”, said by JOHNS-MANVILLE CORPORATION, as recorded by U.S. Patent and Trademark Office1
- Description: “ASBESTOS-CEMENT ELECTRICAL CONDUIT”, said by JOHNS-MANVILLE CORPORATION, as recorded by U.S. Patent and Trademark Office1
Kind of product
We list Korduct (Johns-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, Electricians and Electrical Workers.
Other asbestos-cement pipe, board and sheet by Johns-Manville (119)
Flexboard · Thermobestos · Min-k · Asbestocel · Metal-on · Fine Corrugated Asbestocel · Fire Felt · Flat Transite · Flexite · Heat Treated Molted Metal Marinite · Homestead · Imperial Marinite · Magno · Marimet 45 · Marine Acoustical Unit · Marine Veneer · Marinite 23 · Marinite 30 · Marinite 36 · Marinite 45 · and 99 more on the company's page
Asbestos-cement pipe, board and sheet by other makers (264)
Careytemp (Philip Carey) · Unibestos (Union Asbestos & Rubber Co.) · Unibestos (Pittsburg Corning) · Sal-mo (Nicolet) · Careycel (Philip Carey) · K&M Trafford Tile Asbestos Cement (Keasbey & Mattison) · K-board (Nicolet) · Kamflex (Keasbey & Mattison) · Klingerpac (Klinger) · KolorMate (Keasbey & Mattison) · Kolormate (Nicolet) · Kon-x (Nicolet) · Linabestos (Asbestos Corp. of America) · Linabestos (Keasbey & Mattison) · Linalbestos (Keasbey & Mattison) · Ludlite Paneling (Allegheny Ludlum Steel) · Magna-Tones (Supradur) · Marine Panel (Philip Carey) · Micro-Flexboard (J/Hns-Manville) · Mill Board (Ruberoid) · and 244 more: all asbestos-cement pipe, board and sheet
See also
- Johns-Manville: the company's history, documents, people, products and plants
- Johns-Manville on our products page: what the documents say about the company's asbestos products, with sources
References
- USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition) (August 12, 1943). Not yet published in our library.
Cite this page
“Korduct (Johns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/johns-manville-korduct.
ACL Doc numbers and their short links never change. See how to cite the Library.
Talk with an asbestos lawyer
Start with what you remember, and we'll take it from there.
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.