Multipurpose aquatic flotation device
US5013273A · kind A · utility
Inventor
Key dates
| Filing date | Jul 9, 1990 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Jul 9, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B34/52
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A flexible, multicellular, flotable, water-repellant mattress having opposite complementary end surfaces of similar shape and size; and means for detachably coupling the end surfaces together to form a toroidal shape with the mattress. The mattress has a length about three times its width, and may be an inflatable raft or a foam slab. The coupling means may be a means for lacing the end surfaces together, or interengaging fastener members, such as a zipper or Velcro fastener members. The novel mattress can be used flat or with the end surfaces coupled together in a multiplicity of uses on land or floating on the surface of a body of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.