Recessed plaster collar assembly

Details Recessed plaster collar assembly Recessed plaster collar assembly

2004-11-12

2009-08-11

Chilcot, Jr., Richard E (Department: 3635)

Static structures (e.g., buildings)

With entrance for persons or objects in horizontal or...

C052S020000, C403S335000

Reexamination Certificate

active

07571570

ABSTRACT:
A plaster collar assembly having a first ring, a second ring secured to the first ring, and a mechanism arranged at an outer periphery of at least one of the rings for axially displacing the first and second rings during rotation of the secured rings relative to each other.

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DHT/ZF, DHT/ZFS & DHT/ZO Recessed Downlight Housings, Lucifer Lighting Company, May 2002 RSA Housing, Quiet Ceiling, Jun. 2002.

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