Elbow coupling

Details Elbow coupling Elbow coupling

2002-12-16

2003-10-28

Taylor, Robin V. (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

Design Patent

active

D0481447

CLAIM:
The ornamental design for an elbow coupling, as shown and described.

REFERENCES:
patent: D132939 (1942-06-01), Corley
patent: D135634 (1943-05-01), Stark et al.
patent: D229409 (1973-11-01), Luckenbill et al.
patent: 4047743 (1977-09-01), Weintraub et al.
patent: 4073514 (1978-02-01), Pate
patent: 4586734 (1986-05-01), Grenier
patent: D291481 (1987-08-01), Vassallo et al.
patent: D355958 (1995-02-01), Teskey
patent: D374815 (1996-10-01), Snow
patent: 5603530 (1997-02-01), Guest
patent: 5695224 (1997-12-01), Grenier
patent: 6499771 (2002-12-01), Snyder, Sr. et al.
Reducing Elbows 90, AMC Anderson Metals Corporation catalog #6187; 1987.*
U.S. patent application Ser. No. 10/007,951, filed Dec. 3, 2001, entitled “Mechanical Pipe Coupling Derived From a Standard Fitting” (Snyder, Sr. et al.).*
U.S. patent application Ser. No. 10/123,607, filed Apr. 16, 2002, entitled “Mechanical Pipe Coupling Derived From a Standard Fitting” (Snyder, Sr. et al.).*
U.S. patent application Ser. No. 10/299,164, filed Nov. 19, 2002, entitled “Clamping Mechanical Pipe Coupling Derived From a Standard Fitting” Snyder, Sr. et al.).*
U.S. patent application Ser. No. 10/299,281, filed Nov. 19, 2002, entitled “Triple-Expanded Mechanical Pipe Coupling Derived from a Standard Fitting” (Snyder, Sr. et al.).*
IMI Yorkshire Fittings Group Web Page, including Tectite Products and Installation (4 pages; downloaded Mar. 15, 2000).
cuprofit® Push-Fit for the Professionals, copyright 2001 (1 page; downloaded Nov. 21, 2001).
IBP Group Web Site; web pages downloaded Mar. 15, 2000, including cuprofit®, >B<press and DELCOP® products, all copyrighted 1998 IBP (12 pages total).
U.S. Design patent application Ser. No. 29/172,661, filed Dec. 16, 2002, entitled Pipe Coupling (Snyder, Sr. et al).
U.S. Design patent application Ser. No. 29/172, 660, filed Dec. 16, 2002, entitled Elbow Coupling (Snyder, Sr. et al).
U.S. Design patent application Ser. No. 29/172,658, filed Dec. 16, 2002, entitled Tee Coupling (Snyder, Sr. et al).
U.S. Design patent application Ser. No. 29/172,657, filed Dec. 16, 2002, entitled Pipe Coupling (Dole et al).
U.S. Design patent application Ser. No. 29/172,645, filed Dec. 16, 2002, entitled Tee Coupling (Dole et al).
U.S. Design patent application Ser. No. 29/172,659, filed Dec. 16, 2002, entitled Pipe Coupling (Wilke, Jr. et al).
U.S. Design patent application Ser. No. 29/172,644, filed Dec. 16, 2002, entitled Elbow Coupling (Wilk, Jr. et al).
U.S. Design patent application Ser. No. 29/172,643, filed Dec. 16, 2002, entitled Tee Coupling (Wilk, Jr. et al).

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