The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 1979
Filed:
Aug. 22, 1977
Frederic L Hettinger, Palm Beach Gardens, FL (US);
Joel Rizzo, Palm Beach Gardens, FL (US);
Perry Oceanographics, Inc., Riviera Beach, FL (US);
Abstract
Diving apparatus which includes a bell assembly normally negatively buoyant and including a bell. There is a frame movable vertically beneath the sea surface and having a portion defining a path. Such frame is movable between an upper position and a lower position above the subsea surface at which the frame can be made temporarily stationary. Bell moving apparatus is disposed between the bell assembly and the frame for moving the bell between a lower position adjacent the subsea surface and an upper position adjacent the frame. Apparatus is provided for mounting the bell assembly for movement along such path.