Exhalation valve flap
Ylitalo , et al. January 5, 2
U.S. patent number D746,974 [Application Number D/460,794] was granted by the patent office on 2016-01-05 for exhalation valve flap. 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 Philip G. Martin, Caroline M. Ylitalo.
| United States Patent | D746,974 |
| Ylitalo , et al. | January 5, 2016 |
Exhalation valve flap
Claims
CLAIM The ornamental design for an exhalation valve flap, as shown and described.
| Inventors: | Ylitalo; Caroline M. (Stillwater, MN), Martin; Philip G. (Forest Lake, 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/460,794 | ||||||||||
| Filed: | July 15, 2013 |
| Current U.S. Class: | D24/110.6 |
| Current International Class: | 2902 |
| Field of Search: | ;D24/110,110.1-110.6,129 |
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Assistant Examiner: Bekic; Lilyana
Attorney, Agent or Firm: Gover; Melanie G.
Description
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a perspective view, showing the new design for an exhalation valve flap viewed from a first angle;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof, the left side view being a mirror image of the right side;
FIG. 4 is a top edge view thereof; and,
FIG. 5 is a bottom edge view thereof.
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