Patents by Inventor David G. Cansdale

David G. Cansdale has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Containers provided with sealable sliding fasteners
    Patent number: 4602405
    Abstract: The invention provides a sealable slide fastener including a puller (20) for the slider and having sealing means comprising a fixing means (18, 19) fixed to the container and extending over the fastener at one end thereof, and having means to locate the puller with the free end of the puller (20) directed from the slider towards the opposite end (14) of the fastener, and a frangible seal member (21) having locking means (41, 42) engageable with the puller to lock it on to the fixing means, said locking means having a spring-in engageability with the fixing means.
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: July 29, 1986
    Assignee: Bond (R.S.C.) Associates, Ltd.
    Inventors: Michael G. Sturman, David G. Cansdale