Patent US4753440A successfully refreshed from Google Patents.
US4753440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club head with visual reference for addressing the golf ball
Assignee: Individual
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Filing: 1986-07-18
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Granted: 1988-06-28
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Expires: 2006-07-18
Abstract
Abstract A golf club head to be used for an "iron" that in a preferred embodiment has on its angled face along a bottom edge an arrangement of vertically oriented adjacently located score lines or grooves and above these vertical grooves a non-vertical or slanted arrangement of grooves that in contrast with each other optically provide a modified 90 degree or horizontally oriented visual reference, in the form of a bar-like configuration, which greatly assists the golfer in positioning the golf club head in relation to the intended line of flight of the golf ball.
Inventors
- 👤 Robert Chorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:02
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3623; A63B69/3632; A63B53/00; A63B53/04; A63B53/0441; A63B53/047
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
219 words
Improvements in a golf club engageable at a proximal end by a golfer preparatory to being urged through a golf swing by said golfer of the type having at a distal end a head having a sole defining a bottom ground-engaging edge and ball-striking face extending upwardly and at a selected angle rearwardly of said sole, said angle of said face being acute to the horizontal so as to provide a slanted orientation to said face which is effective to provide said golfer with visibility of the surface of said face, said improvements in said golf club comprising an arrangement confined to a location in close proximity above and along said sole of a continuous series of vertically oriented parallel grooves in said face spaced in adjacent relation to each other and having opposite ends located generally adjacent said sole and midway the height of said face, and additional parallel grooves in a non-vertical arrangement in said face above and in slightly spaced relation from said vertical grooves along said sole, whereby the visual contrast between said non-vertical and vertical grooves cooperate so that the vertical grooves have the appearance of providing a horizontally oriented bar-like visual reference to said golfer which is advantageously used in aligning said golf club head preparatory to the use of said golf club.
Claim 2
Dependent Claim
219 words
Improvements in a golf club engageable at a proximal end by a golfer preparatory to being urged through a golf swing by said golfer of the type having at a distal end a head having a sole defining a bottom ground-engaging edge and ball-striking face extending upwardly and at a selected angle rearwardly of said sole, said angle of said face being acute to the horizontal so as to provide a slanted orientation to said face which is effective to provide said golfer with visibility of the surface of said face, said improvements in said golf club comprising an arrangement confined to a location in close proximity above and along said sole of a continuous series of vertically oriented parallel grooves in said face spaced in adjacent relation to each other and having opposite ends located generally adjacent said sole and midway the height of said face, and additional parallel grooves in a non-vertical arrangement in said face above and in slightly spaced relation from said vertical grooves along said sole, whereby the visual contrast between said non-vertical and vertical grooves cooperate so that the vertical grooves have the appearance of providing a horizontally oriented bar-like visual reference to said golfer which is advantageously used in aligning said golf club head preparatory to the use of said golf club.
Claim 3
Dependent Claim
33 words
An improved golf club as claimed in claim 1 wherein the grooves of the head thereof have deposits of paint therein to enhance visibility of the bar-like visual reference provided by said grooves.
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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) | 1991-06-28 | 1991-12-28 | 1992-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-28 | 1995-12-28 | 1996-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-28 | 1999-12-28 | 2000-06-28 | $7700.00 | Window Closed / Lapsed |