|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D255486
|
|
Priority
Apr 27 1978
|
|
Filed
Apr 27 1978
|
|
Issued
Jun 17 1980
|
|
Expiry
Jun 17 1994
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
7
|
|
12
|
|
n/a
|
|
|
|
The ornamental design of a room ionizer, as shown and described.
|
FIG. 1 is a perspective view of a room ionizer showing my new design;
FIG. 2 is a top plan view thereof, the bottom being a mirror image of the
top shown;
FIG. 3 is a left side elevational view thereof, the right side being a
mirror image of the side shown;
FIG. 4 is a front elevational view thereof; and
FIG. 5 is a rear elevational view thereof.
Bender, Alvin A.
| Patent |
Priority |
Assignee |
Title |
| D272558, |
Jul 27 1981 |
AMCOR EXPORT CO , LTD , 98 GIBOREI ISRAEL ST , P O BOX 2850, TEL-AVIV 61027 ISRAEL |
Room air ionizer |
| D548315, |
Oct 12 2006 |
WELL ELECTRONICS CO., LTD. |
Air cleaner |
| D567346, |
May 24 2007 |
WELL ELECTRONICS CO , LTD |
Casing of electric heater |
| D622834, |
Nov 05 2009 |
Shenzhen Josen Industrial Co., Ltd. |
Heater |
| D833591, |
Mar 04 2016 |
NINGBO MENG QILI ELECTRICAL TECHNOLOGY CO , LTD |
Heater with USB charger |
| D838824, |
Feb 08 2018 |
ZHUHAI LARGE HORSE CO., LTD.; ZHUHAI LARGE HORSE CO , LTD |
Air purifier |
| D906502, |
Aug 27 2019 |
Zhuhai Large Horse Electrical Appliance Co., Ltd. |
Air purifier |
| Patent |
Priority |
Assignee |
Title |
| 2850641, |
|
|
|
| 2928942, |
|
|
|
| 3387181, |
|
|
|
| 3403252, |
|
|
|
| 3504227, |
|
|
|
| 3654534, |
|
|
|
| 4037268, |
Jan 15 1963 |
CHARGE-AIR, INC , A CORP OF CA |
Method and apparatus for generating a negative charge effect in an environment |
| 122026, |
|
|
|
| 133787, |
|
|
|
| 170713, |
|
|
|
| D248869, |
Jan 14 1977 |
|
Air purifier |
| 82978, |
|
|
|
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 27 1978 | | Valley Environments | (assignment on the face of the patent) | | / |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a