Patent US4340230A successfully refreshed from Google Patents.
US4340230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighted golf iron
Assignee: Individual
•
Filing: 1981-02-06
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Granted: 1982-07-20
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Expires: 2001-02-06
Abstract
Abstract A golf club iron is provided including a variable weighting system. The weights are disposed in selected openings in a matrix. A cover secures the weights in place. The cover is in a protected position to the rear of the club head.
Inventors
- 👤 Roy A. Churchward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:20
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/047; A63B60/00; A63B2053/0491; A63B53/0458
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
126 words
A golf club iron comprising a club head and a shaft, said club head including a blade-like portion and a thickened matrix portion, said blade-like portion having an upper exposed edge, said thickened matrix portion defining a plurality of vertically oriented, downwardly extending openings, a plurality of vertically oriented, elongated, removable weights slidably disposed in selected of said openings and a cap disposed over said thickened portion to cover said openings, said cap being secured in place by screw means, said cap having an upper surface which is disposed lower than said blade upper exposed edge, said thickened matrix being disposed in the intermediate rear portion of said club head whereby said cap is disposed in a protected zone at the rear of said club head.
Claim 2
Dependent Claim
126 words
A golf club iron comprising a club head and a shaft, said club head including a blade-like portion and a thickened matrix portion, said blade-like portion having an upper exposed edge, said thickened matrix portion defining a plurality of vertically oriented, downwardly extending openings, a plurality of vertically oriented, elongated, removable weights slidably disposed in selected of said openings and a cap disposed over said thickened portion to cover said openings, said cap being secured in place by screw means, said cap having an upper surface which is disposed lower than said blade upper exposed edge, said thickened matrix being disposed in the intermediate rear portion of said club head whereby said cap is disposed in a protected zone at the rear of said club head.
Claim 3
Dependent Claim
16 words
The golf club iron of claim 1 wherein said openings comprise a plurality of aligned openings.
Claim 4
Dependent Claim
20 words
The golf club iron of claim 2 wherein said weights are cylindrically shaped and are snugly received in said openings.
Claim 5
Dependent Claim
23 words
The golf club iron of claim 3 wherein said club head has an elongated plate-like foot portion extending rearwardly from said blade portion.
Claim 6
Dependent Claim
94 words
A golf club iron comprising a blade-like club head including a club face and a shaft including a grip portion, said blade-like club head having an upper edge, said club head having a weight-receiving matrix with a plurality of vertically oriented openings disposed to the rear of said club head, a plurality of slidable weights removably disposed in selected of said openings, a cap closing said openings to prevent dislodgement of said weights, said cap being entirely located lower than said upper edge in a protected position to the rear of said club head.
Claim 7
Dependent Claim
94 words
A golf club iron comprising a blade-like club head including a club face and a shaft including a grip portion, said blade-like club head having an upper edge, said club head having a weight-receiving matrix with a plurality of vertically oriented openings disposed to the rear of said club head, a plurality of slidable weights removably disposed in selected of said openings, a cap closing said openings to prevent dislodgement of said weights, said cap being entirely located lower than said upper edge in a protected position to the rear of said club head.
Claim 8
Dependent Claim
16 words
The golf club iron of claim 5 wherein said openings comprise a plurality of aligned openings.
Claim 9
Dependent Claim
19 words
The golf club iron of claim 5 wherein said cap is secured to said club head by screw means.
Claim 10
Dependent Claim
20 words
The golf club iron of claim 5 wherein said weights are cylindrical in shape and tightly received in said openings.
Claim 11
Dependent Claim
25 words
The golf club iron of claim 8 wherein the center axis of each cylindrical weight is substantially parallel with the face of said club head.
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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) | 1985-07-19 | 1986-01-18 | 1986-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-19 | 1990-01-18 | 1990-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-19 | 1994-01-18 | 1994-07-20 | $7700.00 | Window Closed / Lapsed |