#USPTO: 01.15.02 - Sparks (jagged lines), Lightning, Electricity #USPTO: 02.11.07 - Human hands, fingers, arms, Hands, Fingers, Arms #USPTO: 02.11.10 - Skulls, human, Human skeletons, parts of skeletons, bones, skulls, Bones, human #USPTO: 02.11.14 - Thumbs up or thumbs down (gesture), OK gesture, Handshake (gesture), Hands and fingers forming the following: handshake, finger pointing, fingers walking, OK sign, and thumbs up or thumbs down, Gestures (OK, thumbs up, thumbs down, fingers walking, handshake, finger pointing), Fingers walking (gesture), Finger pointing (gesture)