Patent US4092025A successfully refreshed from Google Patents.
US4092025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseball bat made of fiber-reinforced plastics
Assignee: Aikoh Co Ltd
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Filing: 1976-05-19
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Granted: 1978-05-30
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Expires: 1996-05-19
Abstract
Abstract A baseball bat is provided which comprises an elongated body composed of fiber-reinforced plastic material having on the surface thereof a metallic plating of nickel or nickel base alloy.
Inventors
- 👤 Seiichi Yanagioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:21
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/50; A63B59/54; A63B2102/00; A63B2102/18
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
35 words
A baseball bat comprising an elongated body composed of fiber-reinforced plastic material having on at least part of the surface thereof a metallic plating selected from the group consisting of nickel and nickel base alloys.
Claim 2
Dependent Claim
35 words
A baseball bat comprising an elongated body composed of fiber-reinforced plastic material having on at least part of the surface thereof a metallic plating selected from the group consisting of nickel and nickel base alloys.
Claim 3
Dependent Claim
18 words
The baseball bat of claim 1 wherein said metallic plating has a Brinell hardness of at least 250.
Claim 4
Dependent Claim
12 words
The baseball bat of claim 1 wherein said metallic plating is nickel.
Claim 5
Dependent Claim
29 words
The baseball bat of claim 1 wherein said metallic plating is composed of at least one nickel base alloy selected from the group consisting of nickel-phosphorus and nickel-boron alloys.
Claim 6
Dependent Claim
14 words
The baseball bat of claim 1 wherein said elongated body has a hollow interior.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-29 | 1981-11-28 | 1982-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-29 | 1985-11-28 | 1986-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-29 | 1989-11-28 | 1990-05-30 | $7700.00 | Window Closed / Lapsed |