US4248425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow bat and method of making
Assignee: JAMES D EASTON Inc
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Filing: 1979-04-16
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Granted: 1981-02-03
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Expires: 1999-04-16
Abstract
Abstract A hollow metal ball bat having a hollow end knob encompassing an enlarged section of a hollow handle portion. The opening of the end knob is smaller than the contained enlarged handle portion, and fits over the smaller cross-section of the handle portion adjacent the enlarged portion. A ring of resilient material is held between the end knob and the enlarged handle portion.
Inventors
- 👤 James L. Easton
- 👤 Gary W. Filice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:37
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/50; A63B59/51; A63B60/00; A63B60/06; A63B60/16; A63B60/54; A63B2102/00; A63B2102/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
134 words
A ball bat comprising a bat body having a generally cylindrical hollow handle portion open at one end and having an enlarged section adjacent the open end; a hollow end knob having an interior cavity of transverse cross-section substantially larger than that of the handle portion of the bat body, the cavity having at one end an opening adapted to fit closely over a handle portion and being closed at the other end by a transverse wall; a ring of resilient material positioned within the interior cavity of the end knob; the end knob being positioned over the enlarged end section of the handle portion of the bat body with the end of the body abutting the transverse wall of the knob and the cavity opening encompassing the handle portion adjacent the enlarged section.
Claim 2
Dependent Claim
134 words
A ball bat comprising a bat body having a generally cylindrical hollow handle portion open at one end and having an enlarged section adjacent the open end; a hollow end knob having an interior cavity of transverse cross-section substantially larger than that of the handle portion of the bat body, the cavity having at one end an opening adapted to fit closely over a handle portion and being closed at the other end by a transverse wall; a ring of resilient material positioned within the interior cavity of the end knob; the end knob being positioned over the enlarged end section of the handle portion of the bat body with the end of the body abutting the transverse wall of the knob and the cavity opening encompassing the handle portion adjacent the enlarged section.
Claim 3
Dependent Claim
35 words
A ball bat as in claim 1 wherein the transverse wall of the end knob has a recess of transverse cross-section corresponding to that of the open end of handle portion of the bat body.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |