Patent US4108433A successfully refreshed from Google Patents.
US4108433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tennis racket with warm-up weight
Assignee: Individual
•
Filing: 1977-02-14
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Granted: 1978-08-22
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Expires: 1997-02-14
Abstract
Abstract A warm-up weight device for a racket having an oval head merging at a racket throat with a racket handle and comprising a flexible member of oval shape having an elongated slot extending substantially between two mutually spaced ends thereof, and a flexible connector flexibly connecting the two tube ends together.
Inventors
- 👤 Bruce B. Althoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:52
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/38
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
114 words
A warm-up device for a racket having an oval head merging at a throat with a handle and with said device comprising, in combination an elongated, one-piece, flexible member of generally u-shaped cross-section and being of open-ended oval shape, each end of said member being provided with a traverse aperture and a flexible connector extending through each of said apertures and flexibly connecting said ends together, whereby said flexible member may be detachably fitted snuggly about substantially the entire periphery of an oval racket head and held in place between the legs of said u-shaped and by said connector overlaying the racket throat in providing added weight to the racket head during warm-up exercises.
Claim 2
Dependent Claim
114 words
A warm-up device for a racket having an oval head merging at a throat with a handle and with said device comprising, in combination an elongated, one-piece, flexible member of generally u-shaped cross-section and being of open-ended oval shape, each end of said member being provided with a traverse aperture and a flexible connector extending through each of said apertures and flexibly connecting said ends together, whereby said flexible member may be detachably fitted snuggly about substantially the entire periphery of an oval racket head and held in place between the legs of said u-shaped and by said connector overlaying the racket throat in providing added weight to the racket head during warm-up exercises.
Claim 3
Dependent Claim
17 words
A warm-up device in accordance with claim 1 wherein said flexible connector is of closed loop configuration.
Claim 4
Dependent Claim
108 words
A warm-up device for a racket having an oval head merging at a throat with a handle and with said device comprising, a combination an elongated, one-piece flexible member of generally u-shaped cross-section and being of open-ended oval shape, and a flexible connector of closed loop configuration sized to receive the racket throat therethrough flexibly connecting the ends of said member together, whereby said member may be detachably fitted snuggly about substantially the entire periphery of an oval racket head and held in place by the legs of said u-shaped and said connector overlaying the racket throat in providing added weight to the racket head during warm-up excerises.
Claim 5
Dependent Claim
108 words
A warm-up device for a racket having an oval head merging at a throat with a handle and with said device comprising, a combination an elongated, one-piece flexible member of generally u-shaped cross-section and being of open-ended oval shape, and a flexible connector of closed loop configuration sized to receive the racket throat therethrough flexibly connecting the ends of said member together, whereby said member may be detachably fitted snuggly about substantially the entire periphery of an oval racket head and held in place by the legs of said u-shaped and said connector overlaying the racket throat in providing added weight to the racket head during warm-up excerises.
Claim 6
Dependent Claim
38 words
A warm-up device in accordance with claim 3 wherein said flexible connector comprises a cord having two cord ends held loosely together in an end to end relationship by a metallic clamp encapsulated within a resilient protective cover.
Claim 7
Dependent Claim
100 words
A racket having a warm-up device detachably mounted thereto and comprising a racket head having a generally oval shaped periphery, a racket handle mounted to said racket head at a racket throat, a one-piece, elongated, u-shaped, flexible member mounted flush about said oval periphery of said racket head with its ends positioned closely adjacent one another straddling said racket throat, and a flexible connector mounted around said racket throat and secured to said member ends thereby holding said ends snuggly to opposite sides of said racket throat and holding said oval shaped priphery between the legs of said u-shaped cross-section.
Claim 8
Dependent Claim
100 words
A racket having a warm-up device detachably mounted thereto and comprising a racket head having a generally oval shaped periphery, a racket handle mounted to said racket head at a racket throat, a one-piece, elongated, u-shaped, flexible member mounted flush about said oval periphery of said racket head with its ends positioned closely adjacent one another straddling said racket throat, and a flexible connector mounted around said racket throat and secured to said member ends thereby holding said ends snuggly to opposite sides of said racket throat and holding said oval shaped priphery between the legs of said u-shaped cross-section.
Claim 9
Dependent Claim
20 words
A racket in accordance with claim 5 wherein said racket head, racket handle and racket throat form a tennis racket.
Claim 10
Dependent Claim
20 words
A racket in accordance with claim 5 wherein said racket head, racket handle and racket throat form a racket paddle.
References Cited (Backward Citations)
GB1050631A
Cited
US1203786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-08-21 | 1982-02-20 | 1982-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-08-21 | 1986-02-20 | 1986-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-08-21 | 1990-02-20 | 1990-08-22 | $7700.00 | Window Closed / Lapsed |