Intelligent portable stretchable walking stick
Description
Claims
The ornamental design for intelligent portable stretchable walking stick, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2133047 | October 1938 | Sheldon |
| 2360494 | October 1944 | Helgason |
| 2380437 | July 1945 | Homrighausen |
| 2629429 | February 1953 | Baumfeld |
| 2771938 | November 1956 | Neblich |
| 2793680 | May 1957 | Eben |
| 3266839 | August 1966 | Combs |
| 3310340 | March 1967 | Brewer |
| D218508 | August 1970 | Norman et al. |
| 3912209 | October 1975 | Turpin |
| D284429 | July 1, 1986 | Garde |
| D308439 | June 12, 1990 | Van Winkle |
| D324945 | March 31, 1992 | Pina |
| D325297 | April 14, 1992 | Lipscomb |
| 5411313 | May 2, 1995 | Counihan |
| D396569 | August 4, 1998 | Chen |
| 5871025 | February 16, 1999 | Richter |
| 6899388 | May 31, 2005 | Enrique |
| D540534 | April 17, 2007 | Chan |
| D544201 | June 12, 2007 | Berl |
| D555350 | November 20, 2007 | Graves |
| D620696 | August 3, 2010 | Alacar, Jr. |
| D627149 | November 16, 2010 | Wu |
| D632069 | February 8, 2011 | Thiessens |
| D693565 | November 19, 2013 | Chan |
| 8876203 | November 4, 2014 | Haertl |
| 8997766 | April 7, 2015 | Pao |
| 9066584 | June 30, 2015 | Li |
| 9179746 | November 10, 2015 | Gullo |
| 9357820 | June 7, 2016 | Pao |
| 9414655 | August 16, 2016 | Pao |
| 9504297 | November 29, 2016 | Pao |
| 9622554 | April 18, 2017 | Green |
| 9681713 | June 20, 2017 | Pao |
| 10064462 | September 4, 2018 | Pao |
Patent History
Patent number: D894585
Type: Grant
Filed: Aug 27, 2018
Date of Patent: Sep 1, 2020
Assignee: Shanghai Runmer Medical Equipment Co., Ltd.
Inventor: Chunxian Ye (Shenzhen)
Primary Examiner: Steven J Czyz
Application Number: 29/661,372
Type: Grant
Filed: Aug 27, 2018
Date of Patent: Sep 1, 2020
Assignee: Shanghai Runmer Medical Equipment Co., Ltd.
Inventor: Chunxian Ye (Shenzhen)
Primary Examiner: Steven J Czyz
Application Number: 29/661,372
Classifications
Current U.S. Class:
D3/7