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US3814437A Expired / Lapsed US ⏱️ 0.0 years remaining

Symbolically reinforced golf club head

Assignee: Individual
•
Filing: 1973-01-30
•
Granted: 1974-06-04
•
Expires: 1993-01-30
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Abstract

Abstract The recessed back side of a golf club head is provided with integral monogram ribbing in such manner as to aid the play of both high and low handicap players.

Inventors

  • 👤 S Winquist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:53
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/045; A63B53/0454; A63B53/0458; A63B53/047; A63B60/00

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 263 words
In a golf club iron, the combination comprising a. a club head having a heel, a toe, a front face to strike a ball, a rear side, and upper and lower edge portions, b. the rear side containing a recess which is longitudinally elongated between the heel and toe and which is located between the head upper and lower edge portions, said recess being defined by the interior bounding walls of the club head, c. ribbing means including at least one rib and an alphabet letter type symbol on said at least one rib and integral therewith, said ribbing means being integral with the club head and extending within the recess centrally thereof intermediate the bounding walls at the toe and heel, said at least one rib extending within and completely across the recess from the upper edge to the lower edge portions and centrally thereof and intermediate the bounding walls at the toe and heel and dividing the recess into longitudinally spaced hollow sections, said letter type symbol having portions which extend longitudinally beyond the sides of said at least one rib and limited in longitudinal extent to the central portion of said recess, and d. the symbol having a rear face defining a plane which is coterminous with a plane defined by the rear faces of said heel and toe, the head thickness between the rear face of the symbol and the front face of the club exceeding twice the thicknesses of the club head between said front face and the interior walls of the recess sections adjacent said ribbing means.
Claim 2
Dependent Claim 263 words
In a golf club iron, the combination comprising a. a club head having a heel, a toe, a front face to strike a ball, a rear side, and upper and lower edge portions, b. the rear side containing a recess which is longitudinally elongated between the heel and toe and which is located between the head upper and lower edge portions, said recess being defined by the interior bounding walls of the club head, c. ribbing means including at least one rib and an alphabet letter type symbol on said at least one rib and integral therewith, said ribbing means being integral with the club head and extending within the recess centrally thereof intermediate the bounding walls at the toe and heel, said at least one rib extending within and completely across the recess from the upper edge to the lower edge portions and centrally thereof and intermediate the bounding walls at the toe and heel and dividing the recess into longitudinally spaced hollow sections, said letter type symbol having portions which extend longitudinally beyond the sides of said at least one rib and limited in longitudinal extent to the central portion of said recess, and d. the symbol having a rear face defining a plane which is coterminous with a plane defined by the rear faces of said heel and toe, the head thickness between the rear face of the symbol and the front face of the club exceeding twice the thicknesses of the club head between said front face and the interior walls of the recess sections adjacent said ribbing means.
Claim 3
Dependent Claim 31 words
The combination of claim 1 wherein the symbol comprises at least one letter which is legibly upright to have its top portion closest to the bottom portion of the club head.
Claim 4
Dependent Claim 191 words
In a golf club iron, the combination comprising a. a club head having a heel, a toe, a front face to strike the ball, a rear side, and upper and lower edge portions, b. the rear side containing a recess which is longitudinally elongated between the heel and toe and which is located between the head upper and lower edge portions, c. ribbing means including a letter type symbol integral with the head and extending cross-wise of and within the recess generally mid-way between the toe and heel and between said upper and lower edge portions thereby dividing the recess into longitudinally spaced sections, d. the symbol having a rear face defining a plane which is proximate a plane defined by the rear faces of said heel and toe, the head thickness between the rear face of the symbol and the front face of the club exceeding twice the thicknesses of the club head between said front face and the interior walls of the recess sections adjacent said ribbing, and e. said upper and lower edge portions above and below the recess having local rearward thickening defining upper and lower plateaus.
Claim 5
Dependent Claim 191 words
In a golf club iron, the combination comprising a. a club head having a heel, a toe, a front face to strike the ball, a rear side, and upper and lower edge portions, b. the rear side containing a recess which is longitudinally elongated between the heel and toe and which is located between the head upper and lower edge portions, c. ribbing means including a letter type symbol integral with the head and extending cross-wise of and within the recess generally mid-way between the toe and heel and between said upper and lower edge portions thereby dividing the recess into longitudinally spaced sections, d. the symbol having a rear face defining a plane which is proximate a plane defined by the rear faces of said heel and toe, the head thickness between the rear face of the symbol and the front face of the club exceeding twice the thicknesses of the club head between said front face and the interior walls of the recess sections adjacent said ribbing, and e. said upper and lower edge portions above and below the recess having local rearward thickening defining upper and lower plateaus.
Claim 6
Dependent Claim 31 words
The combination of claim 3 including labels on said plateaus, the label on the upper plateau defining the words ''''PRO-LO'''' and the label on the lower plateau defining the words ''''PRO-HI.''''
Claim 7
Dependent Claim 26 words
The combination of claim 3 wherein said ribbing means also includes ribbing extending lengthwise of the recess between the heel and toe of the club head.

References Cited (Backward Citations)

GB190107279A Cited
GB196133A Cited
US2007377A Cited
US2087685A Cited
US2691525A Cited
US2846228A Cited
US3059926A Cited
US3655189A Cited
US3722887A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-03 1977-12-03 1978-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-03 1981-12-03 1982-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-03 1985-12-03 1986-06-04 $7700.00 Window Closed / Lapsed

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