Spinning toy
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 16, 1991
Grant Date -
N/A
app pub date -
Feb 12, 1990
filing date -
Feb 12, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved spinning toy comprised of a primary flywheel affixed near one end of a shaft penetrating the central axis, a symmetrical handle having a specific size, shape, and relational location rotatably connected about the shaft penetrating it; a smaller secondary flywheel near the lower end of the handle through which the shaft penetrates, two end caps having conical terminations, flat protruding surfaces on the sides of the handle, a tangential line of the handle having the lower end tip in the line, and a hole in the handle through which a string passes.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully