Electric vacuum cleaner
Description
1. Electric vacuum cleaner
Claims
The ornamental design for an electric vacuum cleaner, as shown and described.
Referenced Cited
U.S. Patent Documents
| D558410 | December 25, 2007 | Hill |
| D725329 | March 24, 2015 | Aglassinger |
| D876734 | February 25, 2020 | Chen |
| D905358 | December 15, 2020 | Suzuki |
| D905359 | December 15, 2020 | Sun |
| D912342 | March 2, 2021 | Liu |
| D912343 | March 2, 2021 | Liu |
| D913611 | March 16, 2021 | Ma |
| 20180220861 | August 9, 2018 | Zhang |
| 20190380549 | December 19, 2019 | Liu |
| 20200069126 | March 5, 2020 | Mantes |
Patent History
Patent number: D920610
Type: Grant
Filed: Mar 18, 2020
Date of Patent: May 25, 2021
Inventor: Louisa Aschoff (Künzelsau)
Primary Examiner: Michael A. Pratt
Application Number: 35/509,086
Type: Grant
Filed: Mar 18, 2020
Date of Patent: May 25, 2021
Inventor: Louisa Aschoff (Künzelsau)
Primary Examiner: Michael A. Pratt
Application Number: 35/509,086
Classifications
Current U.S. Class:
Vacuum (D32/21)
