The broken lines in the figures are included for the purpose of illustrating portions of the rock dust blower and form no part of the claimed design.
The broken lines in the figures are included for the purpose of illustrating portions of the rock dust blower and form no part of the claimed design.
Number | Name | Date | Kind |
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1564880 | Mauser | Dec 1925 | A |
D197734 | Wahl | Mar 1964 | S |
3194443 | Gurney | Jul 1965 | A |
4286723 | Schutz | Sep 1981 | A |
D283935 | Culshaw | May 1986 | S |
5071028 | Murphy | Dec 1991 | A |
5269463 | Burks | Dec 1993 | A |
6135368 | Protan | Oct 2000 | A |
6830414 | Kia et al. | Dec 2004 | B2 |
D663914 | Howard | Jul 2012 | S |
D681684 | Fornaci et al. | May 2013 | S |
20030150928 | Watanabe et al. | Aug 2003 | A1 |
Number | Date | Country | |
---|---|---|---|
Parent | 29404223 | Oct 2011 | US |
Child | 29453848 | US |