Patent US3830496A successfully refreshed from Google Patents.
US3830496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bat
Assignee: MARINE MIDLAND BANK NA
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Filing: 1973-09-06
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Granted: 1974-08-20
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Expires: 1993-09-06
Abstract
Abstract A baseball bat comprising a plastic hollow barrel, two end caps for closing the same, an insert in the barrel, and a tapered force fit of the insert in the barrel by virtue of a taper on the insert and a plurality of inwardly extending lengthwise directed ridges on the interior of the barrel which are tapered in height along the length of the barrel.
Inventors
- 👤 R Reizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:04
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/50; A63B59/56; A63B60/00; A63B60/06; A63B60/16; A63B2102/00; A63B2102/18; Y; Y10; Y10S; Y10S273/00; Y10S273/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
275 words
A fabricated baseball bat comprising a hollow elongated exterior member having the outer contour of a conventional baseball bat comprising a hitting portion, a handle portion, and an intermediate portion interconnecting the two other portions, the hitting portion having a substantially constant outer diameter, the handle portion having an outer diameter substantially smaller than that of the hitting portion, and the intermediate portion having a tapered outer diameter merging at opposite ends thereof with the hitting and handle portions, an elongated tapered reinforcing member inside said hollow elongated member, the large end of said tapered reinforcing member corresponding to said hitting portion and the small end thereof to said handle portion, a plurality of radially inward extending ribs on the inside of said hollow elongated member and spaced circumferentially about the inside surface of said hollow member, said ribs extending continuously and substantially the whole length of said hollow elongated member and being tapered from a small height at said handle portion to a maximum height at said hitting portion, said reinforcing member comprising a solid wood insert having a tapered force fit against said plurality of ribs and being substantially coextensive in length with said ribs, said hitting, handle and intermediate portions and said ribs being integral with each other and comprising glass-filled resin material, a pair of end caps closing opposite ends of said hollow elongated member, said wood insert extending along the length of said hollow elongated member from adjacent one end cap to adjacent the other end cap, and said fabricated baseball bat comprising essentially said four parts of said hollow elongated member, said insert, and said pair of end caps.
Claim 2
Dependent Claim
275 words
A fabricated baseball bat comprising a hollow elongated exterior member having the outer contour of a conventional baseball bat comprising a hitting portion, a handle portion, and an intermediate portion interconnecting the two other portions, the hitting portion having a substantially constant outer diameter, the handle portion having an outer diameter substantially smaller than that of the hitting portion, and the intermediate portion having a tapered outer diameter merging at opposite ends thereof with the hitting and handle portions, an elongated tapered reinforcing member inside said hollow elongated member, the large end of said tapered reinforcing member corresponding to said hitting portion and the small end thereof to said handle portion, a plurality of radially inward extending ribs on the inside of said hollow elongated member and spaced circumferentially about the inside surface of said hollow member, said ribs extending continuously and substantially the whole length of said hollow elongated member and being tapered from a small height at said handle portion to a maximum height at said hitting portion, said reinforcing member comprising a solid wood insert having a tapered force fit against said plurality of ribs and being substantially coextensive in length with said ribs, said hitting, handle and intermediate portions and said ribs being integral with each other and comprising glass-filled resin material, a pair of end caps closing opposite ends of said hollow elongated member, said wood insert extending along the length of said hollow elongated member from adjacent one end cap to adjacent the other end cap, and said fabricated baseball bat comprising essentially said four parts of said hollow elongated member, said insert, and said pair of end caps.
Claim 3
Dependent Claim
100 words
In a baseball bat as in claim 1, wherein said resin material comprises nylon, said wood insert comprises maple, said end caps being constructed of the same material as said hollow elongated member, and a ring on the outer end of said bat between the hitting portion and end cap therefor, said ring and hitting portion end cap having outer diameters corresponding to the outer diameter of said hitting portion, and said ring having a color contrasting with the color of said hollow elongated member to visually indicate the size of said bat in accordance with a preselected color code.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |