Dust filter

• US 2,935,158 A
• Filed: 02/16/1959
• Issued: 05/03/1960
• Est. Priority Date: 02/14/1958
• Status: Expired due to Term

• Current Assignee: Dieter Braun
• Original Assignee: Dieter Braun
• Inventors: DIETER BRAUN
• Application Number:
  US03/793,559
• Time in Patent Office: 442 Days
• US Class Current: 96/395
• CPC Class Codes: A47L 9/14 Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
• CPC Class Codes: A47L 9/1608 Cyclonic chamber constructions
• CPC Class Codes: A47L 9/165 Construction of inlets
• CPC Class Codes: B01D 45/02 by utilising gravity
• CPC Class Codes: B01D 46/02 Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
• CPC Class Codes: C14B 1/00 Manufacture of leather; Machines or devices therefor machines specially adapted for forming upper shoe blanks or shoe leggings by stretching A43D8/003
• CPC Class Codes: C14B 2700/28 Processes or apparatus for the mechanical treatment of hides or leather not provided for in groups C14B2700/01 - C14B2700/27
• CPC Class Codes: Y10S 55/44 Pile and pile-type filter mediums

Claims