Air filter
Gregerson , et al. October 16, 2
U.S. patent number D831,182 [Application Number D/568,536] was granted by the patent office on 2018-10-16 for air filter. This patent grant is currently assigned to 3M Innovative Properties Company. The grantee listed for this patent is 3M INNOVATIVE PROPERTIES COMPANY. Invention is credited to Glen O. Gregerson, Jonathan M. Lise.
| United States Patent | D831,182 |
| Gregerson , et al. | October 16, 2018 |
Air filter
Claims
CLAIM The ornamental design for an air filter, as shown and described.
| Inventors: | Gregerson; Glen O. (Hudson, WI), Lise; Jonathan M. (Woodbury, MN) | ||||||||||
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| Applicant: |
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| Assignee: | 3M Innovative Properties
Company (St. Paul, MN) |
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| Appl. No.: | D/568,536 | ||||||||||
| Filed: | June 20, 2016 |
| Current U.S. Class: | D23/365 |
| Current International Class: | 2304 |
| Field of Search: | ;D23/200,259,314,325,333-336,355-365,386-388 |
References Cited [Referenced By]
U.S. Patent Documents
| 3624764 | November 1971 | Goben |
| D254506 | March 1980 | Holmberg |
| 4225442 | September 1980 | Tremblay |
| 4421202 | December 1983 | Hoy |
| 5038834 | August 1991 | Siegfried |
| 5542454 | August 1996 | Carlson |
| D378852 | April 1997 | Smolarski |
| D403418 | December 1998 | Brinkman |
| D475129 | May 2003 | Ward |
| D499177 | November 2004 | Kosmider |
| D599465 | September 2009 | Mitchell |
| D725390 | March 2015 | Sanocki |
| D732153 | June 2015 | Sanocki |
| 9174159 | November 2015 | Sanocki |
Other References
|
Pleated filter reference found online [Jan. 11, 2017] http://furnacefiltercare.com/residential/pleated-filters/. cited by examiner . Trademark Application Serial No. 86-935,298, filed Mar. 10, 2016. cited by applicant . Trademark Application Serial No. 86-912,631, filed Feb. 18, 2016. cited by applicant. |
Primary Examiner: Spear; Robert M.
Assistant Examiner: Voytek; John A
Attorney, Agent or Firm: Nowak; Sandra K.
Description
FIG. 1 is a perspective view showing the new design for an air filter.
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a side view thereof;
FIG. 6 is a perspective view showing the new design for an air filter;
FIG. 7 is an enlarged view of a portion of the air filter of FIG. 6;
FIG. 8 is a top thereof; and,
FIG. 9 is an enlarged view of a portion of the air filter of FIG. 8.
The claimed area of the air filter is illustrated with the color designation for the color yellow. The thicker dash-dash broken lines define the boundaries of the claimed design and form no part thereof.
The portions in the drawing views shown in broken lines form no part of the claimed design.
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References
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