Pen-cap propeller toy

Details Pen-cap propeller toy Pen-cap propeller toy

2000-01-28

2001-05-15

Ackun, Jr., Jacob K. (Department: 3712)

Amusement devices: toys

Operated by relatively moving fluid or pressure differential

Having fluid-driven rotatable radial blade

C446S218000, CD19S054000, CD19S055000, CD19S056000

Reexamination Certificate

active

06231419

ABSTRACT:

CROSS REFERENCE TO RELATED APPLICATIONS
Not Applicable
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to propeller toys and particularly to propeller toys attached to pen caps.
2. Description of Related Art
Propeller toys have been around for many years. Pinwheels, toy airplanes and other such toys all use some type of propeller as part of their novelty. Although many such devices exist, they are usually limited to toys. Examples of such toys are found in U.S. Pat. Nos. 390,655, 3,140,954, 3,252,241, 3,818,629, 4,120,561, and 5,368,515,
SUMMARY OF THE INVENTION
The present invention seeks to add new utility to simple toys. The invention is a pen cap that has a propeller attached to the clip found on many pens. The propeller is designed to rotate about a fixed shaft as an amusing diversion for small children or bored executives. An alternative design has a hinge mounted at the top of the clip that allows the clip and propeller to rotate 90 degrees. This increases the range of amusement for the device.


REFERENCES:
patent: 396295 (1889-01-01), Schofield
patent: 571449 (1896-11-01), Laube
patent: 1769784 (1930-07-01), Hoppe
patent: 1782555 (1930-11-01), Weinstein
patent: 2373499 (1945-04-01), Passanante
patent: 3818629 (1974-06-01), Davidson
patent: 4582497 (1986-04-01), Lyons

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