Curve block
Latest L.B. Foster Company Patents:
Description
Claims
The ornamental design for a curve block, as shown and described.
Referenced Cited
U.S. Patent Documents
398563 | February 1889 | Willford |
451386 | April 1891 | Sintzenich |
1863145 | June 1932 | Young |
2819926 | January 1958 | Wood |
3826424 | July 1974 | McClung et al. |
3945566 | March 23, 1976 | Bush |
4266720 | May 12, 1981 | Harmsen |
4484706 | November 27, 1984 | Duchemin |
5096118 | March 17, 1992 | Matlock |
6305613 | October 23, 2001 | Igwemezie |
7156319 | January 2, 2007 | Kowalski |
7717352 | May 18, 2010 | Loffelsend et al. |
D632220 | February 8, 2011 | Belokin |
8413910 | April 9, 2013 | Bosterling et al. |
20100193598 | August 5, 2010 | Couvreur et al. |
20110068182 | March 24, 2011 | Bosterling et al. |
20110068184 | March 24, 2011 | Rademacher et al. |
20140124588 | May 8, 2014 | Harkness |
Patent History
Patent number: D756844
Type: Grant
Filed: Mar 15, 2013
Date of Patent: May 24, 2016
Assignee: L.B. Foster Company (Pittsburgh, PA)
Inventors: Scott Almes (Pittsburgh, PA), Robert Alsop (Tucker, GA), Korhan Ciloglu (Pittsburgh, PA)
Primary Examiner: Eric Goodman
Assistant Examiner: Clese Moore, Jr.
Application Number: 29/449,487
Type: Grant
Filed: Mar 15, 2013
Date of Patent: May 24, 2016
Assignee: L.B. Foster Company (Pittsburgh, PA)
Inventors: Scott Almes (Pittsburgh, PA), Robert Alsop (Tucker, GA), Korhan Ciloglu (Pittsburgh, PA)
Primary Examiner: Eric Goodman
Assistant Examiner: Clese Moore, Jr.
Application Number: 29/449,487
Classifications
Current U.S. Class:
Track (D12/50)