Amusement devices – Surface for wheeled or gliding vehicle – For wheeled vehicle
Reexamination Certificate
2006-09-12
2006-09-12
Nguyen, Kien (Department: 3714)
Amusement devices
Surface for wheeled or gliding vehicle
For wheeled vehicle
C472S090000, C014S069500
Reexamination Certificate
active
07104895
ABSTRACT:
A compact, hinged, foldably deployable ramp is provided in a base configuration which includes three evenly radiused sections which connect to a deck member and have a tube, known as a coping, separating the ramp from the deck. In the base configuration, a top section, mid section and lower section each have a pair of ladder structures which share a middle flange. The deck member includes a pair of angled leg members which are designed to provide support throughout the range of engagement of the ramp. Even size and radiusing of the sections enables continued extension of the ramp by adding sections in conjunction with longer support legs for the deck.
REFERENCES:
patent: 4285514 (1981-08-01), Romero
patent: 5347672 (1994-09-01), Everard et al.
patent: 5870788 (1999-02-01), Witkin
patent: 6430769 (2002-08-01), Allen
patent: 6695707 (2004-02-01), Fernandez et al.
www.Ramptech.com/athome/mod_kicker2.html, internet page Illustrating a “U” profile ramp advertisment. Jun. 20, 2003, one page.
www.domflex.com/en/contact.asp, internet page illustrating a linear ramp system. Jun. 20, 2003, two pages.
www.vertmfg.com/Merchant2/merchant.mv?Screen=PROD&STORE_cODE=vERTmfg . . . web page illustrating a 400 pound curved wooden ramp system.
Harrington Curtis L.
Nguyen Kien
LandOfFree
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