Title: Composite baseball bat

Abstract: A composite molded baseball bat is provided using a tubular, high yield strength aluminum core surrounded by a foam plastic body having a density of from 30-50 pounds per cubic foot and an integral outer skin. The tubular aluminum core has an outside diameter of from three-quarters to 1 inch and a wall thickness of from 0.062 to 0.125 inch.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Mueller, Alvin W. (St. Louis, MO, US)
Williams, Robert J. (Chicago, IL, US)
Ansel, Robert E. (Hoffman Estates, IL, US)

Application Number: 617439
Filing Date: 1975-09-29
Publication_date: 1977-06-28
Assignee: DeSoto, Inc. (Des Plaines, IL)
Primary Class(es): 473/567 273/DIG8
Other Classes:
US Patent Ref:

377686	Feb, 1888	Moose	273/72.
2099521	Nov, 1937	Herkimer et al.	273/72.
2379006	Jun, 1945	Johnson	273/72.
3048400	Aug, 1962	Friedman	273/82.
3083969	Apr, 1963	Bills	273/80.
3301560	Jan, 1967	Satchell et al.	273/82.
3306960	Feb, 1967	Weissman et al.	273/72.
3353258	Nov, 1967	Barton et al.	273/82.
3445113	May, 1969	Satchell et al.	273/82.
3467605	Sep, 1969	Abercrombie et al.	273/DIG.
3478134	Nov, 1969	Gruss et al.	273/DIG.
3727295	Apr, 1973	Gildemeister	273/72.
3830496	Aug, 1974	Reizer	273/72.
3854316	Dec, 1974	Wilson	273/72.

Other Refs: 238,250277,1251,046,854

Apr, 1962	AU
Jun, 1965	AU
Oct, 1966	UK

Primary Examiner: Apley, Richard J.
Assistant Examiner:
Attorney: Dressler, Goldsmith, Clement, Gordon & Shore, Ltd.