Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/63
Name: Buoys, rafts, and aquatic devices > Swimming aid to increase stroke efficiency > Foot attached > With lock or latch
Description: Device having means to hold or secure the water-contacting surface in a predetermined position.










Patents under this class:

Patent Number Title Of Patent Date Issued
8087959 Detachable swim fin Jan. 3, 2012
7997948 Hybrid water sport apparatus Aug. 16, 2011
7658659 Hybrid water sport footwear Feb. 9, 2010
7537501 Swimming fin with heel strap fastening buckle May. 26, 2009
6227923 Foot propulsion device for float tube users May. 8, 2001
6193636 Swimming auxiliary device Feb. 27, 2001
6126502 Diving fin Oct. 3, 2000
5766050 Flipper and combination of a boot, shoe, footwear, or similar and a flipper Jun. 16, 1998
5645460 Retractable fin assembly Jul. 8, 1997
5632662 Centrally articulated swin fin May. 27, 1997
5593333 Fin assembly for float tube users Jan. 14, 1997
5108327 Retractable swim fin Apr. 28, 1992
4981454 Retractable swim fin Jan. 1, 1991
4940437 Swim fin with harness Jul. 10, 1990
4889510 Harness for swim fins Dec. 26, 1989
4599071 Adjustable beach-shoes Jul. 8, 1986











 
 
  Recently Added Patents
Device for preparing a body fluid for a bacteriological analysis
Method for maintaining a driver-independent braking intervention after a collision
Can seam inspection
Substrate processing apparatus and display method of substrate processing apparatus
Multi-room user interface
Print system
Universal data-driven computer proxy
  Randomly Featured Patents
Vacuum switching tube having magnetic field electrodes
External cavity wavelength tunable laser device and optical output module
Isolated polynucleotide from Corynebacterium encoding a homocysteine methyltransferase
Foundation-drainage panel
Sound masking system for open plan office
Strawberry plant named `Pacific`
Organizer
Pharmacy system data interface system and method
Phase lock loop television signal demodulator
Paper feed mechanism for dot matrix printer