US3218072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club including a striking face of porous carbon
Assignee: Pure Carbon Co Inc
•
Filing: 1964-02-20
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Granted: 1965-11-16
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Myrtice C Burr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:38
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0466; A63B53/047; A63B60/00; A63B2209/00; A63B53/0416; A63B53/042; A63B53/0487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A GOLF CLUB HAVING A HEAD PROVIDED WITH A RECESS OPENING TO ITS STRIKING FACE AND AN IMPACE MEMBER IN THE FORM OF A POROUS CARBON INSERT FITTING IN SAID RECESS AND SUBJECTED TO COMPRESSION STRESSES EXERTED THEREON BY THE MATERIAL OF SAID HEAD ACTING IN PLANES SUBSTANTIALLY PARALLEL TO SAID STRIKING FACE AND RESISTING MOVEMENTS OF SAID INSERT IN SAID RECESS.
Claim 2
Dependent Claim
62 words
A GOLF CLUB HAVING A HEAD PROVIDED WITH A RECESS OPENING TO ITS STRIKING FACE AND AN IMPACE MEMBER IN THE FORM OF A POROUS CARBON INSERT FITTING IN SAID RECESS AND SUBJECTED TO COMPRESSION STRESSES EXERTED THEREON BY THE MATERIAL OF SAID HEAD ACTING IN PLANES SUBSTANTIALLY PARALLEL TO SAID STRIKING FACE AND RESISTING MOVEMENTS OF SAID INSERT IN SAID RECESS.
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |