US4366579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mitt for baseball use
Assignee: MITSUWA TAIGA KK
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Filing: 1981-03-02
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Granted: 1983-01-04
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Expires: 2001-03-02
Abstract
Abstract The invention provides a mitt for baseball use. Vegetable oil, such as castor oil or the like, is permeated under a heating operation into the ball-catching portion of the leather on the ball-catching side. A polyurethane resin layer is provided on the reverse face of the vegetable oil permeated portion of said leather, said polyurethane resin layer being formed through the application of the polyurethane resin immediately after a second heating operation of the leather and after said heating operation has been completed.
Inventors
- 👤 Teruo Noguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/14; A63B71/141; A63B71/143
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
43 words
In a mitt for baseball use comprising a leather ball-catching portion, the improvement wherein the leather which forms the ball-catching portion is permeated with a vegetable oil and bears on the face opposite the ball-contacting face a hardened coating of a polyurethane resin.
Claim 2
Dependent Claim
43 words
In a mitt for baseball use comprising a leather ball-catching portion, the improvement wherein the leather which forms the ball-catching portion is permeated with a vegetable oil and bears on the face opposite the ball-contacting face a hardened coating of a polyurethane resin.
Claim 3
Dependent Claim
97 words
In a method for making a mitt for baseball use, the improvement wherein (a) the leather forming the catching face of the mitt is treated in the ball-catching portion thereof with vegetable oil in the presence of heat to permeate the vegetable oil into the said ball-catching portion, (b) the vegetable oil-permeated leather is heated to a temperature of approximately 100° to 170° C. and (c) immediately following the heating in step (b) there is applied to the face of the leather opposite the ball-contacting face and over the ball-catching portion a coating of a polyurethane resin.
Claim 4
Dependent Claim
97 words
In a method for making a mitt for baseball use, the improvement wherein (a) the leather forming the catching face of the mitt is treated in the ball-catching portion thereof with vegetable oil in the presence of heat to permeate the vegetable oil into the said ball-catching portion, (b) the vegetable oil-permeated leather is heated to a temperature of approximately 100° to 170° C. and (c) immediately following the heating in step (b) there is applied to the face of the leather opposite the ball-contacting face and over the ball-catching portion a coating of a polyurethane resin.
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) | 1986-01-03 | 1986-07-05 | 1987-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-03 | 1990-07-05 | 1991-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-03 | 1994-07-05 | 1995-01-04 | $7700.00 | Window Closed / Lapsed |