Bowling alley bumper system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 13, 1990
Grant Date -
N/A
app pub date -
Feb 22, 1989
filing date -
Feb 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bowling alley bumper system in which an elongated bumper is mounted alongside and parallel to each alley gutter, and in which there are provided movable supports that permit the extension of the bumpers to guard the gutters when guarding is desired and retraction of the bumpers to expose the gutters when normal alley operation is desired.
First Claim
Family
International Classification(s)
Cited Art Landscape
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