Pipe joints or couplings – Flange – Clamped
Reexamination Certificate
2007-01-29
2008-11-04
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
Flange
Clamped
C285S407000
Reexamination Certificate
active
07445252
ABSTRACT:
A connecting device between two tubes for defining a play place for pets, comprises: a female retainer, a male retainer and a quick connect and release locking clamp. The female retainer includes a concave portion and two protruding shafts. The male retainer is pivotally connected with the female retainer and includes a clamping portion. The quick connect and release locking clamp is pivotally connected with the male retainer and includes two grooves. The clamping portion engages in the concave portion, and the two grooves are engaged with the two protruding shafts, so that the two tubes are connected to define a play place for pets.
REFERENCES:
patent: 3336643 (1967-08-01), Robison
patent: 3520563 (1970-07-01), Decker, Jr.
patent: 4395801 (1983-08-01), Gabrielli
patent: 5188400 (1993-02-01), Riley et al.
patent: 6880859 (2005-04-01), Breay et al.
Dunwoody Aaron M
Pro-Techtor Int'l Services
Ying Yeeh Enterprise Co., Ltd.
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