Coupling ring for ventilation ducts

Details Coupling ring for ventilation ducts Coupling ring for ventilation ducts

2001-01-17

2002-04-23

Siegel, Mitchell (Department: 2912)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0456072

CLAIM:
The ornamental design for a coupling ring for ventilation ducts, as shown.

REFERENCES:
patent: D231356 (1974-04-01), Kurr
patent: 5129690 (1992-07-01), Meinig et al.
patent: 5983496 (1999-11-01), Hermanson
patent: 2 311 031 (1998-06-01), None
AccuFlange: Round & Oval Duct Connection System, Accu Duct Mfg., product brochure, 1998, pp. 1-32.
LindabRekt, Instruction manual, Lindab Nord AB, May 20, 1998, pp. 1-4.
Rektangulara kanalsystem, Lindab Rekt, product brochure 2000, pp. 1-8.
Introduction to the Rectangular Duct Construction Schedules, HVAC Duct Construction Standards Metal And Flexible—2nded., SMAGNA Section 1.8 ff., pp. 1.12-1.43.

Affiliated with

Also associated with

Rating

Coupling ring for ventilation ducts does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coupling ring for ventilation ducts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coupling ring for ventilation ducts will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2898277