Universal intercom adapter for varying residential wiring...

Details Universal intercom adapter for varying residential wiring... Universal intercom adapter for varying residential wiring...

2004-09-24

2008-08-05

Tieu, Binh K (Department: 2614)

Telephonic communications

Private or single line system

At collective house

C379S167130, C439S047000, C439S049000, C439S077000, C439S170000, C439S628000

Reexamination Certificate

active

07409052

ABSTRACT:
An intercom adapter used for selecting optionally one of three popular in-place residential wiring systems, in which two switches, each with two circuit-selecting contacts provide four permutations for selecting a circuit compatible for the in-place residential wiring system, to thereby reduce inventory to only the one switch-operated adapter.

REFERENCES:
patent: 4485273 (1984-11-01), Bartelink
patent: 6773282 (2004-08-01), Alvey

Affiliated with

Also associated with

Rating

Universal intercom adapter for varying residential wiring... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Universal intercom adapter for varying residential wiring..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Universal intercom adapter for varying residential wiring... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4010315