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US 2021/0381306 A1Published application
Security door
OwnerYosef Postavskii, Aron Prys +1inventors
InventorsYOSEF POSTAVSKII, ARON PRYS, ARYE FRIEDNER
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Abstract
A security door, including two non-metal boards, two metal boards disposed between the two non-metal boards, and being fixed one to the other, while forming at least one gap therebetween, and a plurality of pins, each extending between the two non-metal boards, through the two metal boards, for fixing the two non-metal boards one to the other.
Claims9
A security door, comprising:
- two non-metal boards;
- two metal boards disposed between said two non-metal boards, and being fixed one to the other, while forming at least one gap therebetween;
- and
- a plurality of pins, each extending between said two non-metal boards, through said two metal boards, for fixing said two non-metal boards one to the other,
- wherein said plurality of pins fixing said two non-metal boards one to the other are not fixed to said two metal boards.
2 more elements
Dependencies are inferred from the claim text.