Skateboard
Patent D577789 Issued on September 30, 2008. Estimated Expiration Date: 
September 30, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 30, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesTorsion bar skateboard D261544 D397753 Skateboard with direction-caster Skateboard Skateboard Skateboard Patent #: 7367572 InventorApplicationNo. 29299404 filed on 12/26/2007US Classes:D21/765SkateboardExaminersPrimary: Baynham, Holly H.Assistant: Chin, Cynthia M. Attorney, Agent or FirmClaimsCLAIM The ornamental design for a skateboard, as shown and described. DescriptionFIG. 1 is a top perspective view from the front of the new skateboard; FIG. 2 is a top plan view thereof; FIG. 3 is a side elevational view thereof, the opposite side being a mirror image; FIG. 4 is a bottom view thereof; FIG. 5 is an enlarged front elevational view thereof; and, FIG. 6 is an enlarged back elevational view thereof. Field of SearchSkate, ski, or skimming deviceSkateboard Element, attachment, or accessory Wheel Scooter Substituted With propulsion means driven by occupant Trucks and mountings Resiliently yieldable Standing occupant Coasters Occupant-pushed Yieldable Standing occupant Steered by tiltable platform (e.g., skateboard) SKI OR SKATE APPLIANCE OR ATTACHMENT SKI- OR SKATE-TYPE VEHICLE FOR IMPARTING MOVEMENT TO A PERSON STANDING THEREON With power means or a portion thereof affixed to or built into the ski or skate |
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