Features shown in broken lines in the drawings are not part of the claim.
Features shown in broken lines in the drawings are not part of the claim.
Number | Name | Date | Kind |
---|---|---|---|
3450416 | Mulder | Jun 1969 | A |
3712397 | Smith, III et al. | Jan 1973 | A |
3820790 | Peterson | Jun 1974 | A |
4066273 | Lohr | Jan 1978 | A |
4077647 | Nagayama | Mar 1978 | A |
4506901 | Tosti | Mar 1985 | A |
4655470 | Lin | Apr 1987 | A |
D296774 | Armstrong | Jul 1988 | S |
5037120 | Parisi | Aug 1991 | A |
5639105 | Summo | Jun 1997 | A |
6276703 | Caldwell | Aug 2001 | B1 |
6361058 | Yuan | Mar 2002 | B1 |
D465439 | van de Vrie | Nov 2002 | S |
6557879 | Caldwell | May 2003 | B2 |
D486760 | Devinast | Feb 2004 | S |
D498709 | Sramek | Nov 2004 | S |
6910701 | Long et al. | Jun 2005 | B1 |
D608250 | Van De Vrie | Jan 2010 | S |
D626038 | Li | Oct 2010 | S |
D653996 | Webster | Feb 2012 | S |
D678130 | Webster | Mar 2013 | S |
8496261 | Adams | Jul 2013 | B2 |
D726593 | Eckert | Apr 2015 | S |
20140217694 | Fitzwater | Aug 2014 | A1 |
Entry |
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Special Needs Playground Equipment—Whirl-O-Wheel, Catalog (online), MD Materials Playground, 2007 (retrieved on Apr. 11, 2014) Retrieved from the internet: <URL: http://www.specialneedsplaygroundequipment.com/ handpropelledtrikes.html>. |
Scooters for Children: Junior Whirly Wheel. Catalog (online). 2011 (retrieved on May 11, 2014). Retrieved from the internet: <URL: http://electric.scootersforchildren.com/2011/06/28/scooters-for-children-junior-whirly-wheel>. |
Number | Date | Country | |
---|---|---|---|
Parent | 29465637 | Aug 2013 | US |
Child | 29520242 | US |