Patent drawing - M3-smg-diagram Public domain imageSimilarColt Model 1851 Navy Percussion Revolver, Serial Number 29705, with Case and AccessoriesRevolver - Livrustkammaren - 13986, SwedenRevolving Pistol, Index of American DesignColt SAA-NMAH-AHB2015q021942Ruger Blackhawk 45-NMAH-AHB2015q024379Photo of Percussion Revolver - Public domain dedicationMoreRelatedPatent drawing - MPPprojr - . Public domain imagePatent drawing - US1101435-Figure 3-Blattfedergabel Public domain imagePatent drawing - Tapper patent - . Public domain imagePatent drawing - Pat196747 - . Public domain imagePatent drawing - EolePatent - . Public domain imagePatent drawing - Stiffel Public domain imageMorePatent drawing - M3-smg-diagram Public domain imagefile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummary M3 SMG internal drawing from the patentlabel_outlineTagspatentspatent drawingsus patent officediagrams of firearmsm 3 grease gundiagraminventionsdate_rangeDate01/05/1944createSourceUSPTOlinkLinkhttp://uspto.gov/copyrightCopyright infopublic domain