Encoder driven non-handed electric door operator
Description
Claims
The ornamental design for an encoder driven non-handed electric door operator, as shown and described.
Referenced Cited
U.S. Patent Documents
2504408 | April 1950 | Griffin |
2661945 | December 1953 | Hamilton |
D413055 | August 24, 1999 | Mullet |
D466141 | November 26, 2002 | Mullet |
D500747 | January 11, 2005 | Gavel |
D581437 | November 25, 2008 | Randazzo |
D872150 | January 7, 2020 | Abel |
20020008403 | January 24, 2002 | Ser |
20040189107 | September 30, 2004 | Mattson |
20070256362 | November 8, 2007 | Hansen |
20120291354 | November 22, 2012 | Giannis |
20220112758 | April 14, 2022 | Krivoy |
20220136311 | May 5, 2022 | Krivoy |
Patent History
Patent number: D989139
Type: Grant
Filed: Apr 16, 2021
Date of Patent: Jun 13, 2023
Inventor: Paul J. Krivoy (Corpus Christi, TX)
Primary Examiner: Patricia A Palasik
Application Number: 29/779,182
Type: Grant
Filed: Apr 16, 2021
Date of Patent: Jun 13, 2023
Inventor: Paul J. Krivoy (Corpus Christi, TX)
Primary Examiner: Patricia A Palasik
Application Number: 29/779,182
Classifications
Current U.S. Class:
Drive Train (D15/148)