Class 441/67 - Circular

Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Device which has a periphery in the shape of a circle.
No. of patents: 34
Last issue date: 08/28/2007

Number	Title	Issue Date
7261611	Aquatic surface skipping toy device The present invention relates to an aquatic toy device that is particularly adapted for skipping upon and across the irregular surface of a body of water. The aquatic surface skipping toy device may be used for recreation, sports, or exercise either by an individual...	08/28/2007
7238073	Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ...	07/03/2007
7232356	Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ...	06/19/2007
7052344	Method of manufacturing inflatable decks The present invention provides a method of manufacturing an inflatable deck by sealing a top and bottom sheet of material at an outer peripheral edge, at spaced intervals interior of and parallel to the outer peripheral edge, and at opposing edges formed when a wedg...	05/30/2006
6896569	Float tube cover A float tube cover for covering the exterior of an inflated inner tube or the like with a fabric material which will prevent adhesive burns and abrasions and also prevent the inner tube from becoming excessively heated from exposure to the sun. The cover is desirabl...	05/24/2005
6761602	Hydroplane board and a method of personal hydroplaning A hydroplane board member which is placed in very shallow water and launched by the user with a shove of their foot. The user walks, jogs, or runs and jumps onto the moving board inducing hydroplaning. The user may jump off, simultaneously accelerating a slowing boa...	07/13/2004
6648707	Protective cover for an inflatable towable vehicle An inflatable towable vehicle including an inflatable bladder and a protective shell having a rigid lower portion and a flexible upper portion. The bladder includes an inflation valve that is positioned to underlie a closeable access opening in the flexib...	11/18/2003
6543378	Personal watercraft A watercraft apparatus comprises a rigid platform supporting a seat on an upper surface and a rudder rearward and extending downwardly for providing stability to the apparatus when afloat. A strut extends forward of the platform and supports a propulsion ...	04/08/2003
6331128	Flexible core recreational device A recreational device having a moisture and tear and UV resistant outer surface is disclosed. The core is manufactured from a flexible, lightweight material having a weight of about 2.0-2.5 pounds per cubic foot, such as two-part polyurethane or closed ce...	12/18/2001
6283811	Steerable inflatable towable vehicle A steerable towable vehicle including a body member with a pair of fore-and-aft directed laterally spaced fins attached to the bottom surface. A towing line is attached to the bottom surface at a point centered between the fins adjacent the front of the f...	09/04/2001
6220908	Inflatable towable vehicle An inflatable towable vehicle including a tapered hull. The hull is formed of a plurality of concentrically disposed inflatable rings with chambers which have progressively increasing diameters from the outermost ring to the innermost ring. Interior conne...	04/24/2001
6182594	Towable innertube accessory with rudder An innertube accessory that facilitates towing an innertube by a boat. The accessory includes a shell for receiving any size innertube and attaching it. The accessory is suitable for being towed by the boat, by a track and trolley mechanism that adapts to...	02/06/2001
6010382	Hydroplane inner tube with adjustable seat An adjustable, seat-planar hydroplane apparatus of an inflatable, pneumatic inner tube with a central opening and a flexible cover encasing the tube and forming a smooth hydroplane bottom surface over the opening with an adjustable flexible strip detachab...	01/04/2000
5899782	Steerable, towable flotation device The present invention is a water sport device that is easy to use and may be steered. This device comprises a flotation assembly, a connecting member, and a connecting assembly, where the connecting member is attached to a front portion of the flotation a...	05/04/1999
5846108	Ski disk A new ski disk for supporting a user while being towed behind a boat. The inventive device includes a circular disk member having a central planar portion and an upturned outer edge portion. A non-slip pad is attached to the top of the central portion to ...	12/08/1998
5791957	Water sports device with elevating disks A water sports device for a standing rider who can turn the device in any direction relative to the towing water craft while at the same time elevating the rider above the surface of the water. This device includes a round board with anchor points on the ...	08/11/1998
5476404	Inflatable recreational inner tube toy An inflatable recreational inner tube toy comprising a seat further including a toroid-shaped inflatable primary tube having a bottom surface, a top surface, an inner periphery defining a hollow interior, an outer periphery, a plurality of straps extended...	12/19/1995
5383804	Ski tube A ski tube includes a torus-shaped innertube, a generally torus-shaped cover member bearing a continuous zipper or other releasable fastener preferably along a circumference thereof, a base portion, and a generally V-shaped towing flap member adapted for ...	01/24/1995
5372527	Turbo kick board The present invention relates to a turbo kick board. The turbo kick board includes, a base, propellers attached to the base to make the base stop and go, and a rudder attached to the base to make the base turn right and left....	12/13/1994
5279510	Cushion for towable riding apparatus A riding apparatus has an inflatable member, a cover and a cushion. The inflatable member has a cavity that has a top end and a bottom end. The cover has a bottom wall and side walls that form an enclosure for receiving the inflatable member. The cushion ...	01/18/1994
5149117	Universal toy saucer A saucer-shaped toy is designed to be utilized alternatively as a swing, a water slide and a snow slide. The saucer may be hung from a support when functioning as a swing, while it may be towed behind a boat when operable as a water slide. The saucer shap...	09/22/1992
5057044	Recreational water sled and towing method A recreational water sled and method for carrying a rider while being towed behind a boat includes a sled member and a downwardly-extending rudder, with a vertical steering pole extending approximately to chest height for a standing rider, and with a thre...	10/15/1991
4820219	Recreational device A recreational device comprising an elastomeric body portion capable of holding compressed gas and having a surface temperature reducing coating integrally formed therewith on the outer surface thereof. The device is used in water sports where flotation i...	04/11/1989
4764313	Air driven water circulation mill A flotation platform supports a mast assembly through which a drive shaft extends having a wind driven turbine on the upper end and a propeller on the lower end situated below the water surface. The propeller is rotated by the wind turbine and causes loca...	08/16/1988
4708676	Multi-function pad device with driving mechanism It is a multi-function pad device with driving mechanism; particularly, it is a device including a pad, a buoy ring, a pad sheet and a driving mechanism. Upon different elemental members being assembled in different manners, different functions can be pro...	11/24/1987
4635581	Tube cover A tube cover has top and bottom flat portions stitched together along mutual peripheral edges, and a hitch which consists of a plurality of crossing straps that are interconnected by stitching, and a D-ring attached to one of the straps....	01/13/1987
4613311	Automatically disconnecting safety connector for aquatic apparatus An automatically disconnecting connector apparatus for a floatable device, such as a fisherman's float tube, includes one coupling member having an aperture and another coupling member having another aperture. The other coupling member is bifurcated so th...	09/23/1986
4613131	Exercise device for physical therapy A solid, rigid foam device having a continuous outer skin, a flat, circular upper surface that merges smoothly into a symmetric, oblated spherical surface, the upper surface having four, spaced, shallow indentations around its periphery and a number of an...	09/23/1986
4552539	Hydroplane apparatus An inflatable hydroplane apparatus uses a pneumatic vehicle innertube with a flexible fabric cover including an annular flexible fabric positioned partly covering said innertube and forming a smooth bottom therefor. A handle strap is stitched to said cove...	11/12/1985
4521200	Surfboard type boat convertible into sailboat or buoy A surfboard type boat convertible into a sailboat or buoy and comprising a circular floating board enclosed by a shell of polyethylene and containing foamed polystyrene. A cone-shaped keel likewise filled with foamed polystyrene is provided on the lower s...	06/04/1985
4463954	Aquatic device An aquatic surface projectile for recreation and/or exercise use either individually or in team play. The aquatic device is manually propelled by throwing so as to skim along the surface of a body of water in a smooth skimming action and not by skipping o...	08/07/1984
4451239	Hydroplane apparatus An inflatable hydroplane apparatus uses a pneumatic vehicle innertube with a flexible fabric cover including an annular flexible fabric positioned partly covering said innertube and forming a smooth bottom therefor. A handle strap is stitched to the cover...	05/29/1984
4366963	Convertible inflated play vehicle A convertible play vehicle comprising an inflatable flotation ring encircling an integral reinforced, load-bearing platform that lies mid-way of the height of the flotation ring and has spaced openings near the circumference thereof that may serve as hand...	01/04/1983
3950808	Buoyancy circular water ski A circular water ski device an upper and lower surface and having a revolving platform on the upper surface. There is a space between the upper and lower surface filled with buoyant material. The lower surface in a first embodiment has a general concave c...	04/20/1976

PatentStorm

Quotables

PatentStorm News

Class 441/67 - Circular