Patents by Inventor Edward F. Mathieu, Jr.

Edward F. Mathieu, Jr. 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).

  • Patent number: 5497965
    Abstract: An apparatus for releasably locking a microphone stand tube to a microphone base has a lock member receiver threadingly attached to the microphone base. A locking coupling has a first end threadingly attached to the microphone stand tube. A lock member has a coupling end connected to a second end of the locking coupling and a locking retainer releasably locked into the locking receiver. The lock member has a locking actuator arm. A locking arm is connected to the locking actuator arm and pivotally connected to the locking retainer. There is a securing hook attached to the locking arm. The securing hook releasably engages an end of the lock member receiver. There is a spring receiving chamber in the locking retainer. A lock spring has an end removably placed in the spring retaining chamber and another end abutting the locking arm. The male exterior surface is octagon in shape and a female interior surface of the lock member receiver is octagon in shape to receive the male exterior surface of the lock member.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: March 12, 1996
    Inventor: Edward F. Mathieu, Jr.