Ceiling ventilation fan
Shimada , et al. A
U.S. patent number D857,873 [Application Number D/638,997] was granted by the patent office on 2019-08-27 for ceiling ventilation fan. This patent grant is currently assigned to Panasonic Intellectual Property Management Co., Ltd.. The grantee listed for this patent is Panasonic Intellectual Property Management Co., Ltd.. Invention is credited to Nobuyuki Mase, Yashio Shimada.
| United States Patent | D857,873 |
| Shimada , et al. | August 27, 2019 |
Ceiling ventilation fan
Claims
CLAIM We claim the ornamental design for a ceiling ventilation fan, as shown and described.
| Inventors: | Shimada; Yashio (Osaka, JP), Mase; Nobuyuki (Nara, JP) | ||||||||||
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| Applicant: |
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| Assignee: | Panasonic Intellectual Property
Management Co., Ltd. (Osaka, JP) |
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| Appl. No.: | D/638,997 | ||||||||||
| Filed: | March 2, 2018 |
| Current U.S. Class: | D23/371; D23/385 |
| Current International Class: | 2304 |
| Field of Search: | ;D23/351,352,354,370,371,373-375,379,381,385,386-389,393,411-414 ;D14/172,214 |
References Cited [Referenced By]
U.S. Patent Documents
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| D1346297 | Dec 2008 | JP | |||
Assistant Examiner: Oum; Sharon S
Attorney, Agent or Firm: Panasonic IP Management Culpepper; Kerry S.
Description
FIG. 1 is a front perspective view of a ceiling ventilation fan of the present invention;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a cross-sectional view thereof, taken along the line 8-8 in FIG. 2.
The broken lines illustrate portions of the ceiling ventilation fan and form no part of the claimed design.
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