US4512573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hockey stick having a U-shaped head
Assignee: Grays of Cambridge Pakistan Ltd
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Filing: 1983-02-15
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Granted: 1985-04-23
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Expires: 2003-02-15
Abstract
Abstract A hockey stick having a head attached to a handle in such a manner that the free end of the head is bent through 180° with regard to the handle. The hockey stick is formed from a plurality of laminations and the head has a portion which is thickened. The distance between the free end of the head and the handle is such that a hockey ball cannot pass through.
Inventors
- 👤 Toon Coolen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:23
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/70; A63B60/00; A63B60/06; A63B60/14; A63B2102/00; A63B2102/22
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
98 words
A hockey stick having a shaft and a head, the head being provided at one end of the shaft and being in the form of a U-shaped member having two limbs and a base interconnecting the limbs, one limb of the head having a free end portion and the other limb of the head having an end portion forming an axial continuation of the said one end of the shaft, the distance between the said limbs being less than the diameter of a standard size hockey ball and the said limbs and base together providing a ball-striking face.
Claim 2
Dependent Claim
98 words
A hockey stick having a shaft and a head, the head being provided at one end of the shaft and being in the form of a U-shaped member having two limbs and a base interconnecting the limbs, one limb of the head having a free end portion and the other limb of the head having an end portion forming an axial continuation of the said one end of the shaft, the distance between the said limbs being less than the diameter of a standard size hockey ball and the said limbs and base together providing a ball-striking face.
Claim 3
Dependent Claim
29 words
A hockey stick as claimed in claim 1, in which the average value of the said distance is about equal to half the largest width of the said limbs.
Claim 4
Dependent Claim
33 words
A hockey stick as claimed in claim 1, in which the said one limb of the head has a thickened portion between its free end portion and a central portion of the base.
Claim 5
Dependent Claim
26 words
A hockey stick as claimed in claim 1 in which an outer marginal boundary of the base and said two limbs is substantially semi-circular in form.
Claim 6
Dependent Claim
32 words
A hockey stick as claimed in claim 4, in which one extremity of the said semi-circular marginal boundary neighbors the said free end portion of the said one limb of the head.
Claim 7
Dependent Claim
41 words
A hockey stick as claimed in claim 1, in which at least the head consists of a plurality of curved layers of wood which are glued together at facing surfaces lying, in the finished stick, perpendicular to the said ball-striking face.
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) | 1988-04-22 | 1988-10-22 | 1989-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-22 | 1992-10-22 | 1993-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-22 | 1996-10-22 | 1997-04-23 | $7700.00 | Window Closed / Lapsed |