Portable manway cover hinge device

Receptacles – Closures – Pivotable

Reexamination Certificate

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Details

C220S817000, C220S845000, C220S848000, C016S248000

Reexamination Certificate

active

07931168

ABSTRACT:
A portable manway hinge device has a pair of elongated hinge members where each hinge member has a pair of longitudinally-aligned, elongated apertures, a support member slidably connected to each of the elongated apertures where the support member has a pin receiving end, and a linkage member pivotally connected to each of the pair of elongated hinge members.

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