TREA

Mobile electrostatic air filter for use in welding projects

Follow

Information

  • Patent Grant
  • D329081
  • Patent Number
    D329,081
  • Date Filed
    Monday, October 15, 1990
    34 years ago
  • Date Issued
    Tuesday, September 1, 1992
    32 years ago
  • US Classifications
    Field of Search
    • US
    • D23 207-210
    • 210 97
    • 210 1981
    • 210 205-206
    • 210 231
    • 210 244-246
    • 210 2571-2572
    • 210 258
    • 210 260-261
    • 210 282
    • 210 287-288
    • 210 289-290
    • 210 295
    • 210 3216
    • 210 32178
    • 210 4163
    • 210 443-449
    • 210 153
    • 210 167
    • 210 171-172
    • 210 4161
    • 210 473
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a mobile electrostatic air filter, as shown and described.
Priority Claims (1)
Number Date Country Kind
90-1545 Jul 1990 SEX
US Referenced Citations (4)
Number Name Date Kind
2144157 Jorgenson Jan 1939
3355026 Schut Nov 1967
3358839 Simons Dec 1967
4976850 Kulitz Dec 1990