US3904201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tennis ball
Assignee: Individual
•
Filing: 1974-04-29
•
Granted: 1975-09-09
•
Expires: 1994-04-29
Abstract
Abstract This new tennis ball is provided with a surface comprised of flocked nylon fibers disposed normal to the ball and in spaced apart relationship throughout their length. This surface may be attached directly to the conventional hollow rubber core or it may be attached to a substrate of rubber or plastic which is then cut into conventional figure eight shapes for attachment to the conventional hollow rubber cores.
Inventors
- 👤 Dana R Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:54
CPC Classifications
A; A63; A63B; A63B39/00; A63B39/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A tennis ball comprising a resilient core and a coating connected to the core, said coating comprising nylon fibers disposed normal to said core and in spaced apart relation to each other throughout their length.
Claim 2
Dependent Claim
35 words
A tennis ball comprising a resilient core and a coating connected to the core, said coating comprising nylon fibers disposed normal to said core and in spaced apart relation to each other throughout their length.
References Cited (Backward Citations)
US2952063A
Cited
US3039773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |