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Class 441/123 - Neck encircling means


Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Device wherein the buoyancy means are adapted to be secured to
No. of patents: 50
Last issue date: 05/22/2012


  2  
NumberTitleIssue Date
4533335Cold-proof water-proof garment
There is disclosed a cold-proof water-proof garment, which is to be worn for marine operations on cold water and can save life in such a case as when a man wearing it accidentally drops into water or encounters perils of the sea....
08/06/1985
4324234Dual chamber personal flotation device
A dual chamber personal flotation device which allows rebreathing into it. One of the chambers is for flotation only and is inflated with CO2 ; the other is for rebreathing, and is inflated with air. A tube located close to the wearer's mouth h...
04/13/1982
4297758Life preserver of the encapsulated type
An inflatable life preserver of the encapsulated type encircling the neck of a wearer includes an inflatable cell or cells confined within a protective cover when in collapsed condition. The cover, formed of a strong fabric or other flexible material, com...
11/03/1981
4272857Lifejacket
A lifejacket has an inflatable body defining a head receiving opening having a closed periphery. The opening is elongated to reduce the stress tending to open the seam at the periphery of the body when inflated. Restraints join the periphery of the openin...
06/16/1981
4236264Retained compressible pillow support
There is disclosed a generally horseshoe shaped pillow support including a closed tubular flexible envelope in the shape of a horseshoe and including a horseshoe return having a pair of transversely spaced apart legs projecting co-extensively forwardly fr...
12/02/1980
4038713Personal flotation device
A personal flotation device having a buoyant collar, a front bib section containing a flotation element and a back member, the bib and back members having lower portions that may be overlapped so as to cooperate with the collar to define armholes, the col...
08/02/1977
3988795Life preserver
A conventional type of life preserver has a rectangular shape, with a circular neck receiving opening adjacent the upper end and a slit extending from the bottom of the opening to the lower edge of the preserver. The invention comprises a strap having one...
11/02/1976
3956786Life preserver vest
A personal flotation device having a buoyant collar, a front bib section containing a flotation element and a back section, the bib and back sections having lower portions that may be overlapped so as to cooperate with the collar to define armholes, the c...
05/18/1976
  2  
 
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