Patent US2633415A successfully refreshed from Google Patents.
US4175745A
Expired / Lapsed
US
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Racket
Assignee: FN International SA
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Filing: 1978-01-31
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Granted: 1979-11-27
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Expires: 1998-01-31
Abstract
Abstract Improved racket, characterized by the fact that it is substantially made up of two identical metal shells, between which is fitted a honeycomb, these elements being mutually made integral by gluing.
Inventors
- 👤 Georges A. Gevers
- 👤 Philippe M. Jeghers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:46
CPC Classifications
A; A63; A63B; A63B49/00; A63B49/02; A63B2049/0205
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
127 words
A racket having a generally planar frame consisting of a loop for supporting stringing and a shaft integral with and extending from said loop, said frame comprising a pair of identical metallic members and a strip of honeycomb ribbon between said metallic members, said metallic members and honeycomb ribbon being adhesively secured together, said metallic members being at least partly of U-shaped cross section with their concave sides facing each other, said ribbon extending between said metallic members throughout said loop and the length of said shaft, wherein the U-shaped cross section of said metallic members comprises inner legs, on the inner periphery of said loop, being longer than the legs on the outer periphery of said loop, the ends of said outer legs being spaced apart.
Claim 2
Dependent Claim
127 words
A racket having a generally planar frame consisting of a loop for supporting stringing and a shaft integral with and extending from said loop, said frame comprising a pair of identical metallic members and a strip of honeycomb ribbon between said metallic members, said metallic members and honeycomb ribbon being adhesively secured together, said metallic members being at least partly of U-shaped cross section with their concave sides facing each other, said ribbon extending between said metallic members throughout said loop and the length of said shaft, wherein the U-shaped cross section of said metallic members comprises inner legs, on the inner periphery of said loop, being longer than the legs on the outer periphery of said loop, the ends of said outer legs being spaced apart.
Claim 3
Dependent Claim
33 words
A racket as defined in claim 1, wherein at least a portion of said ribbon is provided with metallic reinforcing strips on opposite side thereof extending from one metallic member to the other.
Claim 4
Dependent Claim
49 words
A racket as defined in claim 1, wherein spaced openings for strings extend through said loop, a bushing in each opening, each bushing having a collar at its outer end, said collars being of a diameter only slightly less than the space between the ends of said outer legs.
References Cited (Backward Citations)
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US3690658A
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US3814423A
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US3879035A
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US3917267A
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US3934876A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-11-26 | 1983-05-28 | 1983-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-26 | 1987-05-28 | 1987-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-26 | 1991-05-28 | 1991-11-27 | $7700.00 | Window Closed / Lapsed |