US3215437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf practice club including inertia controlled indicator means
Assignee: Individual
•
Filing: 1963-02-04
•
Granted: 1965-11-02
•
Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 William D Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:14
CPC Classifications
A; A63; A63B; A63B15/00; A63B15/005; A63B60/00; A63B60/02; A63B60/04; A63B69/00; A63B69/36; A63B69/3623; A63B69/3632; A63B69/3635
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A PRACTICE-TYPE GOLF CLUB COMPRISING A SHAFT, AN INDICATING DEVICE MOUNTED IN RIGID RELATION TO SAID SHAFT, SAID INDICATING DEVICE INCLUDING A FREELY ROTATABLY ABUTMENT MEMBER HAVING AN ECCENTRICALLY ORIENTED OPENING THEREIN, AN AXIALLY MOVABLE MEMBER SUPORTED ABOVE THE ABUTMENT MEMBER AND INCLUDING AN EXXENTRICALLY ORIENTED PIN, MEANS RELEASABLY RETAINING THE PIN IN A RETRACTED POSITION UNITL A PREDETERMINED CENTRIFUGAL FORCE IS EXERTED ON THE PIN AND MOVABLE MEMBER IN RESPONSE TO SWINGING OF SAID CLUB, MEANS RESPONSIVE TO A PREDETERMINED FORCE OF INERTIA ACTING ON SAID ABUTMENT MEMBER AS A RESULT OF THE SWINGING MOVEMENT OF THE CLUB TO ALIGN THE OPENING IN THE ABUTMENT MEMBER WITH THE PIN WHEREBY ONLY UPON THE CONCURRENT CREATION OF SUCH PREDETERMINED CENTRIFUGAL FORCE AND SUCH PREDETERMINED FORCE OF INERTIA THE PIN WILL
Claim 2
Dependent Claim
130 words
A PRACTICE-TYPE GOLF CLUB COMPRISING A SHAFT, AN INDICATING DEVICE MOUNTED IN RIGID RELATION TO SAID SHAFT, SAID INDICATING DEVICE INCLUDING A FREELY ROTATABLY ABUTMENT MEMBER HAVING AN ECCENTRICALLY ORIENTED OPENING THEREIN, AN AXIALLY MOVABLE MEMBER SUPORTED ABOVE THE ABUTMENT MEMBER AND INCLUDING AN EXXENTRICALLY ORIENTED PIN, MEANS RELEASABLY RETAINING THE PIN IN A RETRACTED POSITION UNITL A PREDETERMINED CENTRIFUGAL FORCE IS EXERTED ON THE PIN AND MOVABLE MEMBER IN RESPONSE TO SWINGING OF SAID CLUB, MEANS RESPONSIVE TO A PREDETERMINED FORCE OF INERTIA ACTING ON SAID ABUTMENT MEMBER AS A RESULT OF THE SWINGING MOVEMENT OF THE CLUB TO ALIGN THE OPENING IN THE ABUTMENT MEMBER WITH THE PIN WHEREBY ONLY UPON THE CONCURRENT CREATION OF SUCH PREDETERMINED CENTRIFUGAL FORCE AND SUCH PREDETERMINED FORCE OF INERTIA THE PIN WILL
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |