Preform for drain installation
Description
The dashed broken lines in the drawings depict portions of the perform for drain installation that form no part of the claim.
Claims
The ornamental design for a preform for drain installation, as shown and described.
Referenced Cited
U.S. Patent Documents
| 4146939 | April 3, 1979 | Izzi |
| 5458769 | October 17, 1995 | Johannessen |
| D421101 | February 22, 2000 | Barnett |
| D421102 | February 22, 2000 | Barnett |
| D421295 | February 29, 2000 | Barnett |
| 6108828 | August 29, 2000 | Cheng |
| D523537 | June 20, 2006 | Howard |
| D576257 | September 2, 2008 | Rattenbury |
| D602575 | October 20, 2009 | Breda |
| D655399 | March 6, 2012 | Rodriguez |
| 8833387 | September 16, 2014 | Lucas |
| 9739045 | August 22, 2017 | Jones |
| 9775472 | October 3, 2017 | Herring |
Patent History
Patent number: D844116
Type: Grant
Filed: Feb 21, 2017
Date of Patent: Mar 26, 2019
Assignee: Coflex S.A. de C.V. (Monterrery)
Inventors: Humberto Flores Villarreal (San Pedro Garza Garcia), Eduardo Coronado (San Pedro Garza Garcia)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/594,612
Type: Grant
Filed: Feb 21, 2017
Date of Patent: Mar 26, 2019
Assignee: Coflex S.A. de C.V. (Monterrery)
Inventors: Humberto Flores Villarreal (San Pedro Garza Garcia), Eduardo Coronado (San Pedro Garza Garcia)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/594,612
Classifications
Current U.S. Class:
Fitting (10) (D23/259)