Patent US5082279A successfully refreshed from Google Patents.
US5082279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid filled golf club
Assignee: Individual
•
Filing: 1990-07-16
•
Granted: 1992-01-21
•
Expires: 2010-07-16
Abstract
Abstract A golf club that is substantially hollow and partially filed with a viscous fluid or other flowable material such as ball-bearings or sand and has multiple compartments to capture the weight in different sections to change the weight of the club at the golf head or handle.
Inventors
- 👤 Harold L. Hull
- 👤 Dennis J. Waite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:06
CPC Classifications
A; A63; A63B; A63B53/00; A63B60/00; A63B60/02; A63B60/06; A63B60/22; A63B60/24; A63B60/48; A63B60/50; Y; Y10; Y10S; Y10S273/00; Y10S273/14
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
199 words
A hollow, sealed golf club comprising; an elongated, cylindrical, transparent hollow tube, said tube having filling means, a hand grip, said hand grip having means to attach said hand grip to a proximate end of said tube, a hollow golf club head, said hollow golf club head having means to attach said club head to a distal end of said tube opposite said proximate end, said tube and said golf club head being internally connected and partially filled with a flowable material, said tube having at least two externally controlled valve means, said valve means separating said tube and said head into at least three compartments, said valve means having a first and second position, said first position allowing said flowable material to pass through said valves, said second position not allowing said flowable material to pass through said valves, said transparent tube having indicia to indicate the proportions of said flowable material in each of said compartments; said filling means, said hand grip, said hollow golf club head, said externally controlled valve means, said compartments, said indicia and said flowable material cooperating together to allow said flowable material to be captured in visible variable proportions in said compartments.
Claim 2
Dependent Claim
199 words
A hollow, sealed golf club comprising; an elongated, cylindrical, transparent hollow tube, said tube having filling means, a hand grip, said hand grip having means to attach said hand grip to a proximate end of said tube, a hollow golf club head, said hollow golf club head having means to attach said club head to a distal end of said tube opposite said proximate end, said tube and said golf club head being internally connected and partially filled with a flowable material, said tube having at least two externally controlled valve means, said valve means separating said tube and said head into at least three compartments, said valve means having a first and second position, said first position allowing said flowable material to pass through said valves, said second position not allowing said flowable material to pass through said valves, said transparent tube having indicia to indicate the proportions of said flowable material in each of said compartments; said filling means, said hand grip, said hollow golf club head, said externally controlled valve means, said compartments, said indicia and said flowable material cooperating together to allow said flowable material to be captured in visible variable proportions in said compartments.
Claim 3
Dependent Claim
21 words
The device of claim 1 in which said means to attach said hand grip to said hollow tube is by friction.
Claim 4
Dependent Claim
22 words
The device of claim 1 in which said filling means is a closable opening in the proximate end of said hollow tube.
Claim 5
Dependent Claim
13 words
The device of claim 3 in which said closable opening is a plug.
Claim 6
Dependent Claim
23 words
The device of claim 1 in which said means to attach said hollow golf club head to said hollow tube is by bonding.
Claim 7
Dependent Claim
12 words
The device of claim 1 in which said flowable material is water.
Claim 8
Dependent Claim
12 words
The device of claim 1 in which said flowable material is sand.
Claim 9
Dependent Claim
12 words
The device of claim 1 in which said flowable material is anti-freeze.
Claim 10
Dependent Claim
12 words
The device of claim 1 in which said flowable material comprises ball-bearings.
Claim 11
Dependent Claim
17 words
The device of claim 1 in which said valve means is a cylindrical, two position turn valve.
Claim 12
Dependent Claim
16 words
The device of claim 1 in which said valve means is a two position slide valve.
Claim 13
Dependent Claim
14 words
The device of claim 1 in which said flowable material has a distinct color.
References Cited (Backward Citations)
GB190804784A
Cited
US1561595A
Cited
US1894841A
Cited
GB448561A
Cited
US2432450A
Cited
US2644890A
Cited
US3037775A
Cited
US3215437A
Cited
US3199874A
Cited
US3516673A
Cited
US4085934A
Cited
CA971197A
Cited
US3993314A
Cited
US4423873A
Cited
US4541631A
Cited
US4715606A
Cited
US4730830A
Cited
US4655458A
Cited
GB2200560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-20 | 1995-07-22 | 1996-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-20 | 1999-07-22 | 2000-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-20 | 2003-07-22 | 2004-01-21 | $7700.00 | Window Closed / Lapsed |