US5447310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Putter
Assignee: Individual
•
Filing: 1994-04-29
•
Granted: 1995-09-05
•
Expires: 2014-04-29
Abstract
Abstract A putter with an improved putting head comprising a rounded striking surface and having heel and toe portions of greater weight than equivalently sized central portions.
Inventors
- 👤 Doyle D. Jernigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:01
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0487; A63B53/0437; A63B53/0441; A63B53/0408; A63B53/0433; A63B53/0458
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
71 words
A putter comprising a shaft attached to a putting head; the putting head comprising a length of PVC pipe for striking a ball and defining a cavity therethrough having center, heel and toe portions filled with weighted material; the weighted material of each said portions having a significantly greater density than the density of the pipe; the heel and toe portions being of greater weight than an equivalently-sized said center portion.
Claim 2
Dependent Claim
71 words
A putter comprising a shaft attached to a putting head; the putting head comprising a length of PVC pipe for striking a ball and defining a cavity therethrough having center, heel and toe portions filled with weighted material; the weighted material of each said portions having a significantly greater density than the density of the pipe; the heel and toe portions being of greater weight than an equivalently-sized said center portion.
Claim 3
Dependent Claim
48 words
The apparatus of claim 1 wherein the heel and toe end portions comprise, in combination, approximately one-quarter of the length of the head and comprise, in combination, at least one-third of the weight of the head, and wherein the central three-quarters length of the head is uniformly weighted.
Claim 4
Dependent Claim
24 words
The apparatus of claim 1 wherein the pipe has a radius of curvature substantially similar to the radius of curvature of a golf ball.
Claim 5
Dependent Claim
18 words
The apparatus of claim 1 wherein the pipe has an outside diameter between 11/8 inches and 11/2 inches.
Claim 6
Dependent Claim
14 words
The putting head of claim 4 wherein the outside diameter is approximately 15/16 inches.
Claim 7
Dependent Claim
15 words
The putting head of claim 4 wherein the length of pipe comprises a partial cylinder.
Claim 8
Dependent Claim
29 words
The apparatus of claim 1 wherein the weighted filler material includes a disc of lead located in each of the heel portion and the toe portion of the head.
Claim 9
Dependent Claim
27 words
The apparatus of claim 1 wherein the weighted filler material includes lead particles fixed in epoxy distributed within at least an annular central portion of the pipe.
Claim 10
Dependent Claim
14 words
The apparatus of claim 1 wherein the weighted filler material includes a wooden dowel.
Claim 11
Dependent Claim
62 words
The apparatus of claim 1 wherein the weighted filler material includes a portion of lead located in the heel portion and in the toe portion of the head, a wooden dowel longitudinally located in the center of the pipe and includes lead particles fixed in epoxy located in the annular region between the wooden dowel and the inside wall of the pipe.
Claim 12
Dependent Claim
12 words
The apparatus of claim 8 wherein the lead particles comprise lead shot.
Claim 13
Dependent Claim
17 words
The apparatus of claim 1 wherein the weighted filler material includes a second portion of PVC pipe.
Claim 14
Dependent Claim
69 words
A putter comprising a shaft attached to a non-uniformly weighted at least partially cylindrical pipe means for striking a ball and filled with a weighted filler material; the pipe means being weighted in center and end portions; the weighted filler material having a significantly greater density than the density of the pipe means; the end portions of the pipe means being weighted greater than an equivalently-sized said center portion.
Claim 15
Dependent Claim
69 words
A putter comprising a shaft attached to a non-uniformly weighted at least partially cylindrical pipe means for striking a ball and filled with a weighted filler material; the pipe means being weighted in center and end portions; the weighted filler material having a significantly greater density than the density of the pipe means; the end portions of the pipe means being weighted greater than an equivalently-sized said center portion.
Claim 16
Dependent Claim
11 words
The putter of claim 13 wherein the pipe comprises PVC pipe.
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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) | 1998-09-04 | 1999-03-06 | 1999-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-09-04 | 2003-03-06 | 2003-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-09-04 | 2007-03-06 | 2007-09-05 | $7700.00 | Window Closed / Lapsed |