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PTO
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Dossier
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Patent
D888930
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Priority
Jul 18 2018
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Filed
Jan 16 2019
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Issued
Jun 30 2020
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Expiry
Jun 30 2035
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Assg.orig
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Entity
unknown
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5
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14
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n/a
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The ornamental design for a fresh air ventilator, as shown and described.
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1. Fresh air ventilator
1.1 : Front
1.2 : Back
1.3 : Left
1.4 : Right
1.5 : Top
1.6 : Bottom
1.7 : Perspective
Li, Ningning, Wang, Tao, Zhang, Lei
| Patent |
Priority |
Assignee |
Title |
| D366522, |
Jan 13 1995 |
Broan-Nutone LLC; ELAN HOME SYSTEMS, L L C ; JENSEN INDUSTRIES, INC ; Linear LLC; MAMMOTH, INC ; MULTIPLEX TECHNOLOGY, INC ; NORDYNE INC ; NUTONE INC ; SPEAKERCRAFT, INC ; VENNAR VENTILATION, INC ; Xantech Corporation |
Ventilator housing |
| D507344, |
Jul 09 2001 |
|
Portable window dryer vent |
| D675723, |
Feb 24 2011 |
|
Device for recovering waste heat from flue gases |
| D683009, |
Nov 26 2010 |
Exterior Wall Systems Limited |
Ventilator with rotating cyclinder |
| D730510, |
May 14 2013 |
STEGO-Holding GmbH |
Air vent |
| D733887, |
Feb 07 2013 |
Maquet Critical Care AB |
Ventilator core |
| D771234, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
| D771792, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
| D779050, |
Jan 08 2015 |
Broan-Nutone LLC |
Ventilator grill |
| D789512, |
May 20 2015 |
|
Ductwork |
| D816827, |
Jul 25 2016 |
Electrolux Appliances Aktiebolag |
Air conditioner duet |
| D841783, |
Mar 15 2016 |
VERSUNI HOLDING B V |
Air purifier |
| D878530, |
Apr 13 2018 |
3M Innovative Properties Company |
Air purifier |
| D879273, |
Jul 04 2017 |
VERSUNI HOLDING B V |
Air purifier with humidifier |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a