U.S. patent number D344,144 [Application Number 07/762,857] was granted by the patent office on 1994-02-08 for laminated shingle. This patent grant is currently assigned to Elk Corporation of Dallas. Invention is credited to Matti Kiik, William J. Schultz, Casimir P. Weaver.
United States Patent | D344,144 |
Weaver , et al. | February 8, 1994 |
**Please see images for: ( Certificate of Correction ) ** |
Inventors: | Weaver; Casimir P. (Northport, AL), Kiik; Matti (Richardson, TX), Schultz; William J. (St. Charles, IL) |
---|---|
Assignee: | Elk Corporation of Dallas
(Dallas, TX) |
Appl. No.: | 07/762,857 |
Filed: | September 18, 1991 |
Current U.S. Class: | D25/139 |
Field of Search: | ;52/518,524,528,529,533,536 ;D25/139-141 |
D209027 | July 1990 | Noone et al. |
1834370 | February 1932 | Overbury |
1862852 | June 1932 | Harshberger |
1961085 | May 1934 | Levin |
2174098 | September 1939 | Stein |
2190654 | February 1940 | Eichhorn |
2253652 | September 1941 | Ritter |
2302183 | November 1942 | Burns |
2347250 | April 1944 | Burnett |
3247631 | April 1966 | Lovness |
3484267 | December 1969 | Sadler, III |
3903340 | September 1975 | Shepherd |
4301633 | November 1981 | Neumann |
1982 Sweet's Catalog File, Products for Light Residential Construction, 7.7/Jo, p. 2, Shingle, and p. 4, The Woodland Roof Shingles. . Roofs Catalog by the Flintkote Company, Jul. 29, 1929, p. 20, State-Tone Shingles, illustration at top center.. |
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