Patent US3815906A successfully refreshed from Google Patents.
US3815906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Batting practice trainer
Assignee: Individual
•
Filing: 1972-10-04
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Granted: 1974-06-11
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Expires: 1992-10-04
Abstract
Abstract A batting practice training device, for teaching a player proper batting stance and stride technique, includes a laterally extending base and an elevated longitudinally extending rectangular frame mounted for lateral adjustment thereon. A pair of retaining members for controlling the player''s stance and stride interconnect the respective longitudinal side portions of the frame member on either side of the base and are adjustable longitudinally in either direction from the base. Auxiliary support means attachable to the base permit the training device to be readily used indoors.
Inventors
- 👤 L Hermo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:35
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0002; A63B69/36; A63B69/3667
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
A batting practice device for teaching proper batting techniques to baseball players which comprises: a. frame means, elevated above ground level and enclosing a quadrilateral area, for locating the batter''s feet in a proper batting stance and restricting the striding movement of the front foot within said quadrilateral area during batting, said frame means including positioning means, longitudinallyadjustable relative to the line of flight of a pitched ball, for controlling the length of said striding movement; and b. supporting means for holding said frame means in an elevated position.
Claim 2
Dependent Claim
89 words
A batting practice device for teaching proper batting techniques to baseball players which comprises: a. frame means, elevated above ground level and enclosing a quadrilateral area, for locating the batter''s feet in a proper batting stance and restricting the striding movement of the front foot within said quadrilateral area during batting, said frame means including positioning means, longitudinallyadjustable relative to the line of flight of a pitched ball, for controlling the length of said striding movement; and b. supporting means for holding said frame means in an elevated position.
Claim 3
Dependent Claim
35 words
The batting practice device of claim 1 wherein said elevated frame means further includes second positioning means, longitudinally-adjustable relative to the line of flight of a pitched ball, for controlling the stance of said player.
Claim 4
Dependent Claim
20 words
The batting practice device of claim 2 incorporating indicia as an aid in setting said first and second positioning means.
Claim 5
Dependent Claim
42 words
The batting practice device of claim 1 wherein said elevated frame means is adjustable in a lateral direction with respect to the line of flight of a pitched ball for spacing the stance of said player relative to said line of flight.
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |