Stepped spiral chute assembly having friction reduction panels
Latest Alternative Engineering, Inc. Patents:
Description
The broken lines shown in the figures are for the purpose of illustrating portions of the stepped spiral chute assembly having friction reduction panels and form no part of the claimed design.
Claims
We claim the ornamental design for the stepped spiral chute assembly having friction reduction panels, as shown.
Referenced Cited
U.S. Patent Documents
964444 | July 1910 | Mowery |
1013292 | January 1912 | Goehr |
1480105 | January 1924 | Pardee |
1712714 | May 1929 | Pardee |
2437259 | March 1943 | Kautz |
3513956 | May 1970 | Rayment |
3565226 | February 1971 | Winchester |
4222482 | September 16, 1980 | Kelley |
4418813 | December 6, 1983 | Leinenger |
4726456 | February 23, 1988 | Hogsett |
D296489 | June 28, 1988 | Nair |
5083651 | January 28, 1992 | Wiese |
5598914 | February 4, 1997 | Sulzer |
6371275 | April 16, 2002 | Terrell |
7641034 | January 5, 2010 | Boustani |
8733529 | May 27, 2014 | Heddles |
9415936 | August 16, 2016 | Rodriguez |
Patent History
Patent number: D846222
Type: Grant
Filed: Apr 15, 2016
Date of Patent: Apr 16, 2019
Assignee: Alternative Engineering, Inc. (Belmont, MI)
Inventors: D. Robert Rodriguez (Ada, MI), John R. McClary (Comstock Park, MI)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/561,349
Type: Grant
Filed: Apr 15, 2016
Date of Patent: Apr 16, 2019
Assignee: Alternative Engineering, Inc. (Belmont, MI)
Inventors: D. Robert Rodriguez (Ada, MI), John R. McClary (Comstock Park, MI)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/561,349
Classifications
Current U.S. Class:
Conveying, Lifting, Or Transferring Article (D34/28)