Patent US3035537A successfully refreshed from Google Patents.
Patent US3199874A successfully refreshed from Google Patents.
US3199874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club head including liquid mercury in rotatable turntable
Assignee: Individual
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Filing: 1963-02-25
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Granted: 1965-08-10
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 John J Blasing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:24
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0441; A63B53/0466; A63B60/00; A63B60/02; A63B60/04; A63B60/42; A63B53/047; A63B2053/0479; A63B71/00; A63B71/06; A63B2071/0694; A63B2225/00; A63B2225/01; A63B53/0416; A63B53/0433; A63B53/0437
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A GOLF CLUG HAVING A HEAD HAVING A RECESS THEREIN HAVING VERTICAL WALLS, MANUALLY ROTATABLE MEANS ROTATABLY MOUNTED IN SAID RECESS, SAID MEANS HAVING A CHANNEL THEREIN WHOSE SIDE WALLS NORMALLY EXTEND TRANSVERSELY OF SAID HEAD AND DIRECTLY FROM ITS REAR END TOWARD ITS FRONT END, MERCURY CONTAINED IN SAID CHANNEL AND BEING ADAPTED TO RUSH FORWARD INTO THE FRONT OF SAID CHANNEL ON CONTACT OF SAID HEAD WITH A GOLF BALL DURING THE FORWARD STROKE OF THE PLAYER AND FORWARD MOVEMENT OF SAID HEAD THEREBY IMPARTING FORCE TO SAID HEAD TO DRIVE SAID BALL THROUGH THE
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |