Suiter Swantz IP takes a look back at past inventions and inventors with our Patent of the Day.
On this day in 1967, Giacarlo Mambretti filed an application for U.S. Patent No. 3,453,671 for a INFLATABLE BOAT.
An excerpt from the patent states:
An inflatable boat adapted to be driven by an outboard motor. An inflatable float is provided in the form of an elongated tubular body made of a suitable plastic and forming an envelope by which the bow and sides of the boat are formed. A rigid transom, to support the outboard motor, is situated adjacent the stern end of the boat. A plastic strip is welded to the tubular body at the region of its stern end and is formed with grooves which receive edges of the transom, the latter being secured to the strip by being welded thereto. An oarlock is welded to the envelope and has an upper projection formed with an elongated bore having a minor axis extending vertically and having a length no greater than the diameter of an oar while the major axis of the bore extends horizontally and is larger than the oar diameter to provide for free movement of the oar in the bore. A seat is in the form of an elongated board having teeth at its opposed ends, and at each side of the envelope there is welded thereto a flange which surrounds a support in the form of a hollow body subdivided by partitions into recesses which receive the teeth at an end of the board so as to support the latter.
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