US3702701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal tennis racket with plastic throat piece and molded plastic handle
Assignee: AMF HEAD Inc
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Filing: 1969-08-28
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Granted: 1972-11-14
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Expires: 1989-08-28
Abstract
Abstract THE METAL RACKET IS MADE FROM AN EXTRUDED ALUMINUM STRIP COMPRISING A PAIR OF OPPOSED TUBULAR SECTIONS CONNECTED BY A WEB, WITH A STRENGTH FACTOR OF 1YS/A IN THE RANGE OF 0.0516YS TO 0.0580YS. THE METAL STRIP HAS A FIRST CHANNEL IN ITS OUTER PERIPHERY AND A SECOND CHANNEL IN ITS INNER PERIPHERY. A PLASTIC THROAT PIECE IS PROVIDED WITH OUTER SURFACES SHAPED COMPLEMENTARILY TO THE CONFIGURATION OF THE INNER PERIPHERY OF THE METAL STRIP. THE RACKET FURTHER HAVING A SOLID MOLDED PLASTIC HANDLE MADE OF A FOAMED PLASTIC MATERIAL MOLDED TO THE LOWER EXTERMITIES OF THE METAL STRIP.
Inventors
- 👤 George A Vaughn
- 👤 Richard D Hargrave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
A; A63; A63B; A63B49/00; A63B49/02; A63B49/12; A63B49/022; A63B49/03; A63B49/08; A63B49/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |