Closure fasteners – Operators with knobs or handles
Reexamination Certificate
2005-07-11
2008-10-07
Estremsky, Gary (Department: 3673)
Closure fasteners
Operators with knobs or handles
C292S347000, C292SDIG020
Reexamination Certificate
active
07431358
ABSTRACT:
A non-metallic adapter provided to facilitate the rotation of a doorknob is formed with a cap adapted to receive a doorknob. A lever extends outwardly from the cap. The lever is formed with an internal cavity provided with a plurality of reinforcing members separating the cavity into a plurality of substantially isolated reinforced regions.
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Maddock Inc. Catalog No. 0699, p. 56.
Gomes Francis
Landsberger David
Landsberger Kurt
O'Neill Kathleen L.
Thom Paul
Bel-Art Products Inc.
Estremsky Gary
Fridman Lawrence G.
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