US4181306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club and face plate therefor
Assignee: Individual
•
Filing: 1978-02-13
•
Granted: 1980-01-01
•
Expires: 1998-02-13
Abstract
Abstract Presented is a golf club having a face plate fabricated from extremely hard and durable sodium-aluminum silicate material having the formula NaAlSi 2 O 6 and being harder than conventional synthetic resinous materials used for face plates e.g., a hardness factor in the order of 7.5 mohs.
Inventors
- 👤 Harold C. Jepson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:04
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0416; A63B53/042; A63B53/0425; A63B53/0466; A63B60/00; A63B2209/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
In combination, a golf club including a head having a golf ball striking face thereon, and a face plate inserted in said golf ball striking face, said face plate being wholly formed from a naturally occurring mineral material having a hardness factor of 7.5. mohs.
Claim 2
Dependent Claim
45 words
In combination, a golf club including a head having a golf ball striking face thereon, and a face plate inserted in said golf ball striking face, said face plate being wholly formed from a naturally occurring mineral material having a hardness factor of 7.5. mohs.
Claim 3
Dependent Claim
25 words
The combination according to claim 1, in which said naturally occurring mineral material comprises sodium-aluminum silicate having the chemical formula NaAlSi 2 O 6 .
Claim 4
Dependent Claim
23 words
The combination according to claim 1 in which said club head is fabricated from wood and said face plate is formed from jadeite.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-31 | 1983-07-02 | 1984-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-31 | 1987-07-02 | 1988-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-31 | 1991-07-02 | 1992-01-01 | $7700.00 | Window Closed / Lapsed |