Powered air-purifying respirator attachment clip
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Description
FIG. 1 is a top perspective view of a powered air-purifying respirator attachment clip showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof, the other side elevational view being identical thereto;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a front elevational view thereof, the rear elevational view being identical thereto.
Claims
The ornamental design for a powered air-purifying respirator attachment clip, as shown and described.
Referenced Cited
U.S. Patent Documents
| D84040 | April 1931 | Kortz |
| D263788 | April 13, 1982 | McKinnon et al. |
| D264423 | May 18, 1982 | Naylor |
| D266223 | September 21, 1982 | Swartz |
| 5052603 | October 1, 1991 | Spina |
| D339875 | September 28, 1993 | Schutz et al. |
| 6193122 | February 27, 2001 | Buckley |
| 6199736 | March 13, 2001 | Musarella et al. |
| 6206257 | March 27, 2001 | Peele et al. |
Patent History
Patent number: D521855
Type: Grant
Filed: Dec 30, 2003
Date of Patent: May 30, 2006
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David S. Taylor (Accrington), Desmond T. Curran (Durham)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: John Windmuller
Attorney: Karl G. Hanson
Application Number: 29/196,524
Type: Grant
Filed: Dec 30, 2003
Date of Patent: May 30, 2006
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David S. Taylor (Accrington), Desmond T. Curran (Durham)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: John Windmuller
Attorney: Karl G. Hanson
Application Number: 29/196,524
Classifications
Current U.S. Class:
D8/394;
Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)
