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US 4,497,515 AGranted
Stake-out curtains for automobiles
OwnerJay M. Appelsoninventor
Life of this patent
Estimating the term…
Abstract
Stake-out curtains for automobiles consisting, with respect to a window of an automobile, of a pliable sheet of one-way viewing material wound on a spring roller and extendable therefrom to cover the window and secured in its extended position by electromagnetic means, an operating circuit for the electromagnetic means so arranged that said electromagnetic means will be actuated, and the one-way viewing sheet reeled on its roller, whenever the automobile engine is started.
Claims10
A stake-out curtain for an automotive vehicle window, said curtain comprising:
- a. a curtain comprising a sheet at least a portion of the area of which is formed of one-way viewing material of a type such that substantial vision may be had therethrough only from the side thereof at which ambient light is lower than that at its opposite side, and
- b. quick-release attaching means to secure said curtain releasably in a use position overlying said vehicle window, whereby to permit outward vision through said window from the interior of said vehicle, but not vision into said vehicle from points external thereto, so long as ambient light outside of said vehicle is greater than that inside of said vehicle.
A stake-out curtain for an automotive vehicle window, said curtain comprising:
- a. a curtain comprising a sheet of one-way viewing material of a type through which substantial vision may be had only from the side thereof at which ambient light conditions are lower than at the opposite side thereof,
- b. means operable to mount said curtain on said vehicle for movement between a storage position not overlying said window to a use position overlying said window, said curtain being manually movable from said storage position to said use position,
- c. resilient means biasing said curtain continuosly toward said storage postion,
- d. latch means operable to secure said curtain releasably in said use position, and
- e. release means operable to disengage said latch.
2 more elements
Dependencies are inferred from the claim text.