US4124209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tennis racquet with insert
Assignee: Individual
•
Filing: 1976-05-13
•
Granted: 1978-11-07
•
Expires: 1996-05-13
Abstract
Abstract A racquet comprising a frame, an insert which is received in a groove in the head portion of the frame and a locking device in the head or frame portion holding the insert securely to the frame.
Inventors
- 👤 Philip F. DiLeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:18
CPC Classifications
A; A63; A63B; A63B49/00; A63B49/02; A63B49/038
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
88 words
A racquet having a replaceable playing surface, said racquet including a frame member having a handle and a head portion, said head portion being provided with an arcuate opening with groove means for receiving an insert, and a racquet insert comprising a rim with suitable playing surface secured fixedly therein, locking latch means acting with lug means to provide locking and unlocking of said insert within the head of said frame portion of the racquet, and wherein said locking latch means comprise hooks biased in a locked position.
Claim 2
Dependent Claim
88 words
A racquet having a replaceable playing surface, said racquet including a frame member having a handle and a head portion, said head portion being provided with an arcuate opening with groove means for receiving an insert, and a racquet insert comprising a rim with suitable playing surface secured fixedly therein, locking latch means acting with lug means to provide locking and unlocking of said insert within the head of said frame portion of the racquet, and wherein said locking latch means comprise hooks biased in a locked position.
Claim 3
Dependent Claim
40 words
The combination of claim 1 wherein said hooks engage retaining lug means secured fixedly within the insert whereby when said locking latch means are engaged, the hook portion of the locking latch engage the lug means to secure the insert.
References Cited (Backward Citations)
GB1050631A
Cited
US1832298A
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FR718914A
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US2004609A
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GB427265A
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FR1489007A
Cited
DE1903722A1
Cited
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Cited
US3843121A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |