13 pages matching Patent Office in this book
Results 1-3 of 13
What people are saying - Write a review
We haven't found any reviews in the usual places.
according to claim aft end board aft complainant's comprising an elongated curved aft portion cutaway portion discreet vertically spaced doctrine of equivalents elongated member hav elongated platform forward end section hydroplane surfboard illustrated in FIG inclined foot-depressible lever inequitable conduct infringed International Trade Commission Kelly kicktail board kicktail skateboard Lawrence Stevenson lever 42 lift force maneuver maneuverability mid-portion nonobviousness ordinary skill patent attorney Patent Office planing surface platform 11 platforms therefor polyurethane provide a cutaway purposes of section rear foot rearward end section Recommended Determination relevant prior art rider rocker board rocker skateboard scorpion tail section 337 set of wheels shoulder and constituting sides taper inwardly skateboards and platforms skateboards imported skeg skier slalom ski speed Stevenson patent straight aft portion structure according surfboard comprising tail surface transverse U.S. Letters Patent upper one extending upturned aft plane upturned aft portion V-hull vectors vertically spaced surfaces water ski wheel plate wheelies