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Class Information
Number: 441/35
Name: Buoys, rafts, and aquatic devices > Rafts
Description: Buoyant device which is free floating, of shallow draft and little free board, and has a platform or floor for supporting a user.










Sub-classes under this class:

Class Number Class Name Patents
441/44 Columnar flotation member 6
441/47 Formed from log or other product 4
441/39 Having boarding aid 20
441/43 Having centrally located suspended basket 5
441/37 Having water reactant stabilizing means 10
441/40 Inflatable 186
441/38 With shelter 38
441/36 With signal device 11


Patents under this class:

Patent Number Title Of Patent Date Issued
8506339 Floating platform for motorized decoys Aug. 13, 2013
8220742 Assembly and method for stowing away and removing a survival kit in a passenger cabin of an aircraft Jul. 17, 2012
8192243 Container for storing an inflatable liferaft Jun. 5, 2012
8011986 Inflatable buoyant tent apparatus Sep. 6, 2011
7918698 Boat with a peripheral float, particularly inflatable life raft Apr. 5, 2011
7837527 Floating island Nov. 23, 2010
7363668 Multifunctional active carbon cocofiber mattress for lifesaving Apr. 29, 2008
7357688 Floatation apparatus and method Apr. 15, 2008
6926468 Portable flotation platform for shallow bodies of water Aug. 9, 2005
6840830 Buoyant ring lounger Jan. 11, 2005
6805066 Modular floating swim platform Oct. 19, 2004
6659822 Lake raft Dec. 9, 2003
6648554 Portable flotation platform for shallow bodies of water Nov. 18, 2003
6225940 Radar reflecting system and method for small water craft May. 1, 2001
6044789 Fabric skinned inflatable dory Apr. 4, 2000
5690523 Floats Nov. 25, 1997
5658178 Floating devices assembled from plastic bottles or aluminum cans Aug. 19, 1997
5526763 Artificial reef structure Jun. 18, 1996
5441006 Spacer assembly particularly useful as a boat fender Aug. 15, 1995
5421283 Lightweight boat construction Jun. 6, 1995
5368511 Water sled Nov. 29, 1994
5251113 Lantern float apparatus Oct. 5, 1993
5203271 Shallow draft barge Apr. 20, 1993
4822309 Combined life preserver cushion and tote bag Apr. 18, 1989
4729335 Flotation assembly Mar. 8, 1988
4690091 Securing arrangement so executed as to be tripped on actuation Sep. 1, 1987
4662851 Swim float May. 5, 1987
4650432 Convertible raft, tent and mattress Mar. 17, 1987
4595374 Raft inflation valve Jun. 17, 1986
4516943 Amusement ride raft May. 14, 1985
4409921 Floating inspection platform Oct. 18, 1983
4358866 Amphibious furniture Nov. 16, 1982
4237642 Sailing trotline Dec. 9, 1980
4173043 Wind resistant floatable pool cover and manufacture thereof Nov. 6, 1979
4089528 Raft with removable weighted members that provide buoyancy May. 16, 1978











 
 
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