U.S. patent number D475,447 [Application Number D/138,785] was granted by the patent office on 2003-06-03 for bell mouth with an indented end. This patent grant is currently assigned to Eastern Sheet Metal LLC. Invention is credited to William K. Stout, Jr..
United States Patent | D475,447 |
Stout, Jr. | June 3, 2003 |
**Please see images for: ( Certificate of Correction ) ** |
Inventors: | Stout, Jr.; William K. (Mason, OH) |
---|---|
Assignee: | Eastern Sheet Metal LLC
(Cincinnati, OH) |
Appl. No.: | D/138,785 |
Filed: | March 20, 2001 |
Current U.S. Class: | D23/393 |
Current International Class: | 2304 |
Field of Search: | ;D23/259,262,263,266,386,387,391,393,394 ;138/111-117,DIG.4,DIG.11,177 ;285/47,123.15,123.16,110,374,347,232-234,123.1,123.3-123.7,123.9,122.1,125.1 ;454/228-236,243,270,903,906 ;126/37R,312,37A,314-317 |
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Hallstroms Verkstader 2 page advertisement and an English translation of portions thereof. Mar. 21, 2000. . "Sistema Di Tenuta Ring", Issued by Climovent System, an Italian Company; pp. 1-6 (Undated). . "Veloduct" catalog 1997, ABB Ventilation Products AB, Division Veloduct. . U.S. patent application Ser. No. 29/138,761. . U.S. patent application Ser. No. 29/138,838. . U.S. patent application Ser. No. 29/138,820. . U.S. patent application Ser. No. 29/138,847. . U.S. patent application Ser. No. 29/138,839. . U.S. patent application Ser. No. 29/138,830. . U.S. patent application Ser. No. 29/138,819. . U.S. patent application Ser. No. 29/138,818. . U.S. patent application Ser. No. 29/138,782. . U.S. patent application Ser. No. 29/138,790. . U.S. patent application Ser. No. 29/138,783. . U.S. patent application Ser. No. 29/138,786. . U.S. patent application Ser. No. 29/138,771. . U.S. patent application Ser. No. 29/138,760. . U.S. patent application Ser. No. 29/138,836. . U.S. patent application Ser. No. 29/138,764. . U.S. patent application Ser. No. 29/138,668. . U.S. patent application Ser. No. 29/138,772. . U.S. patent application Ser. No. 29/138,784. . U.S. patent application Ser. No. 29/138,781. . U.S. patent application Ser. No. 29/138,842. . U.S. patent application Ser. No. 29/138,837. . U.S. patent application Ser. No. 29/138,763. . U.S. patent application Ser. No. 29/138,829. . U.S. patent application Ser. No. 29/138,762. . Ducts and Fittings Product Brochure, Lindab Ltd., Northampton, Great Britain (undated), front and back covers and pp. 3-52.. |
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