Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Reexamination Certificate
2008-07-08
2008-07-08
Graham, Gary K (Department: 3723)
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
C015S250430
Reexamination Certificate
active
07395577
ABSTRACT:
A universal connection device mainly contains a cover member having two opposing and parallel walls. The height of each wall decreases gradually towards a front end in a front section and decreases more sharply towards a back end in a back section. Within a middle section between the front and back sections, each wall has a number of through holes of different apertures and a number of protrusions on the inner surface. On top of and between the front sections of the two walls, a liftable tab is provided. The connection device further contains an elongated piece attached to one of the walls of the cover member. The piece has a curved outer surface and a rod on an inner surface for embedding into one of the holes of the cover member.
REFERENCES:
patent: 5332328 (1994-07-01), Yang
patent: 7159267 (2007-01-01), Son
patent: 1820705 (2007-08-01), None
patent: 3-136957 (1991-06-01), None
Fu Gang Co., Ltd.
Graham Gary K
Lei Leong C.
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