US PATENT SUBCLASS 248 / 222.41
.~.~.~ Keyhole aperture

Current as of: June, 1999
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248 /   HD   SUPPORTS

200  DF  BRACKETS {11}
205.1  DF  .~ Specially mounted or attached {22}
220.21  DF  .~.~ Interlocked bracket and support {15}
222.41.~.~.~ Keyhole aperture {1}
223.21  DF  .~.~.~.~> Aperture having multiple extending slots

DEFINITION

Classification: 248/222.41

Keyhole aperture:

(under subclass 220.21) Interlocked bracket and support wherein one of the interengaging portions comprises a narrow slot communicating with an enlarged opening and the other interengaging part comprises (a) a headed portion, insertable through the opening and larger than the groove, and (b) an attached shank portion, smaller than the headed portion, complementary to the slot whereby the headed portion secures the outwardly extending portion in the slot.