Disc spring
Description
Claims
The ornamental design for a disc spring, as shown and described.
Referenced Cited
U.S. Patent Documents
D32360 | March 1900 | Pierce |
1059420 | April 1913 | Worth |
2275058 | March 1942 | Draving |
2713482 | July 1955 | Stapleton |
3007726 | November 1961 | Parkin |
3019887 | February 1962 | Lowden |
3027609 | April 1962 | Parkin et al. |
3069919 | December 1962 | Schultz, Jr. |
3320846 | May 1967 | Orain |
3352344 | November 1967 | Lanius, Jr. |
D230469 | February 1974 | Reynolds |
3796124 | March 1974 | Crosa |
4292876 | October 6, 1981 | De Graan |
D278883 | May 21, 1985 | Frieberg |
4701089 | October 20, 1987 | Nettel |
4775273 | October 4, 1988 | Bauer |
4822959 | April 18, 1989 | Schwab |
4865500 | September 12, 1989 | Duran et al. |
4989820 | February 5, 1991 | Sterling |
D327111 | June 16, 1992 | Hemming |
5163797 | November 17, 1992 | Patti |
5195860 | March 23, 1993 | Steyn |
D335441 | May 11, 1993 | Fraker et al. |
5269499 | December 14, 1993 | Schwab |
5496142 | March 5, 1996 | Fodor et al. |
5549431 | August 27, 1996 | Royle |
D410869 | June 15, 1999 | Singer |
5997229 | December 7, 1999 | Akers |
6231063 | May 15, 2001 | Chi |
6276833 | August 21, 2001 | Chen |
D460685 | July 23, 2002 | Liao |
6600632 | July 29, 2003 | Prochazka et al. |
D481299 | October 28, 2003 | Fujioka |
6705813 | March 16, 2004 | Schwab |
6905323 | June 14, 2005 | Keller |
D528407 | September 19, 2006 | Schwab |
D554491 | November 6, 2007 | Stenberg |
D576480 | September 9, 2008 | Vakiener et al. |
D608626 | January 26, 2010 | Camisasca |
D609552 | February 9, 2010 | Anderson et al. |
D621254 | August 10, 2010 | Camisasca |
D634248 | March 15, 2011 | Chen |
7896380 | March 1, 2011 | Tange |
D644921 | September 13, 2011 | Hsu et al. |
D645337 | September 20, 2011 | Hsu et al. |
D658482 | May 1, 2012 | Pratt |
D663243 | July 10, 2012 | Li |
D679169 | April 2, 2013 | Else |
D679170 | April 2, 2013 | Else |
D679572 | April 9, 2013 | Attaway |
D682666 | May 21, 2013 | Wigboldy |
20040060723 | April 1, 2004 | Pallapothu |
20040084099 | May 6, 2004 | Miura |
Patent History
Patent number: D692747
Type: Grant
Filed: Mar 13, 2013
Date of Patent: Nov 5, 2013
Inventor: Pierre P. Schwab (Port St. Lucie, FL)
Primary Examiner: Cynthia Underwood
Application Number: 29/448,728
Type: Grant
Filed: Mar 13, 2013
Date of Patent: Nov 5, 2013
Inventor: Pierre P. Schwab (Port St. Lucie, FL)
Primary Examiner: Cynthia Underwood
Application Number: 29/448,728
Classifications
Current U.S. Class:
D8/399