Step stool
Description
Claims
The ornamental design for a step stool, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D194399 | January 1963 | De Muth |
| D465032 | October 29, 2002 | Robbins |
| D865386 | November 5, 2019 | Sphikas |
| D871090 | December 31, 2019 | Nethercott |
| D924577 | July 13, 2021 | Marsden |
| D925934 | July 27, 2021 | Marsden |
| D925935 | July 27, 2021 | Marsden |
| D955124 | June 21, 2022 | Xu |
| D959159 | August 2, 2022 | He |
| D962663 | September 6, 2022 | Chen |
| 20210169228 | June 10, 2021 | Yang |
| 306617219 | June 2021 | CN |
| 0086372680001 | July 2021 | EM |
Patent History
Patent number: D986608
Type: Grant
Filed: Jul 25, 2021
Date of Patent: May 23, 2023
Assignee: Taizhou Erchen Dangjia Baby Products Co., Ltd. (Zhejiang)
Inventor: Xiaoyan Zhou (Zhejiang)
Primary Examiner: T Chase Nelson
Assistant Examiner: Sydney Margaret Parsley
Application Number: 29/800,936
Type: Grant
Filed: Jul 25, 2021
Date of Patent: May 23, 2023
Assignee: Taizhou Erchen Dangjia Baby Products Co., Ltd. (Zhejiang)
Inventor: Xiaoyan Zhou (Zhejiang)
Primary Examiner: T Chase Nelson
Assistant Examiner: Sydney Margaret Parsley
Application Number: 29/800,936
Classifications
Current U.S. Class:
D6/350;
Step Stool Type (D25/65)