Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ivan Thompson0
Michael L. DeCecca0
Christopher M. Muir0
Douglas H. Pearson0
Date of Patent
February 12, 2008
0Patent Application Number
111843970
Date Filed
July 19, 2005
0Patent Primary Examiner
Patent abstract
A film camera has a body enclosing a light-tight film space. A film unit disposed in the film space, includes a filmstrip having a longitudinally extending row of uniform perforations. The perforations each have at least one concavely-curved edge extending in a direction transverse to the filmstrip. The film space is substantially free of skives despite prewinding of the filmstrip in the camera, even if the prewinding is at a high-torque level.
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