Patent US2111498A successfully refreshed from Google Patents.
Patent US3353282A successfully refreshed from Google Patents.
US3353282A
Expired / Lapsed
US
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Teaching apparatus
Assignee: Individual
•
Filing: 1965-05-03
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Granted: 1967-11-21
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 John M Sneed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:34
CPC Classifications
A; A63; A63B; A63B24/00; A63B24/0003; A63B24/0062; A63B69/00; A63B69/0097; A63B69/36; G; G09; G09B; G09B19/00; G09B19/003; G09B19/0038; G09B5/00; G09B5/02; A63B24/0006; A63B2024/0012; A63B2024/0068; A63B71/00; A63B71/06; A63B71/0619; A63B2071/0647; A63B2225/00; A63B2225/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
APPARATUS FOR TEACHING GOLF STROKES, COMPRISING A PLAYING AREA THE FOCUS OF WHICH IS A GOLF BALL IMPACT POINT; A REFLECTIVE SURFACE ADJACENT SAID PLAYING AREA AND POSITIONED TO REFLECT AN IMAGE OF A STUDENT IN SAID PLAYING AREA; CALIBRATION MARKS ON SAID REFLECTIVE SURFACE SO POSITIONED AND ARRANGED THAT THE ANGULARITY OF A GOLF CLUB HELD BY THE STUDENT, RELATIVE TO A REFERENCE POINT ON THE STUDENT, CAN IMMEDIATELY BE OBSERVED AND DETERMINED; A PROJECTION SCREEN POSITIONED TO BE OBSERVED BY SAID STUDENT WITHIN THE PLAYING AREA; CALIBRATION MARKS ON SAID SCREEN IN DIRECT CORRESPONDENCE TO THOSE ON THE REFLECTIVE SURFACE; A PROJECTOR ON THE SIDE OF THE SCREEN AWAY FROM THE SAID STUDENT AND ARRANGED TO PROJECT THE IMAGE OF A TEACHER ON SAID SCREEN; AN ELONGATED CALIBRATION MARK ON THE PLAYING AREA, DEFINING THE PROPER PATH OF THE HEAD OF THE GOLF CLUB AS IT SWUNG THROUGH THE IMPACT POINT, AND A PHOSPHORESCENT COATING ON THE PLAYING AREA IN THE SAME LOCATION AS, BUT IN A BROADER EXPANSE THAN, THE SAID ELONGATED CALIBRATION MARK.
Claim 2
Dependent Claim
177 words
APPARATUS FOR TEACHING GOLF STROKES, COMPRISING A PLAYING AREA THE FOCUS OF WHICH IS A GOLF BALL IMPACT POINT; A REFLECTIVE SURFACE ADJACENT SAID PLAYING AREA AND POSITIONED TO REFLECT AN IMAGE OF A STUDENT IN SAID PLAYING AREA; CALIBRATION MARKS ON SAID REFLECTIVE SURFACE SO POSITIONED AND ARRANGED THAT THE ANGULARITY OF A GOLF CLUB HELD BY THE STUDENT, RELATIVE TO A REFERENCE POINT ON THE STUDENT, CAN IMMEDIATELY BE OBSERVED AND DETERMINED; A PROJECTION SCREEN POSITIONED TO BE OBSERVED BY SAID STUDENT WITHIN THE PLAYING AREA; CALIBRATION MARKS ON SAID SCREEN IN DIRECT CORRESPONDENCE TO THOSE ON THE REFLECTIVE SURFACE; A PROJECTOR ON THE SIDE OF THE SCREEN AWAY FROM THE SAID STUDENT AND ARRANGED TO PROJECT THE IMAGE OF A TEACHER ON SAID SCREEN; AN ELONGATED CALIBRATION MARK ON THE PLAYING AREA, DEFINING THE PROPER PATH OF THE HEAD OF THE GOLF CLUB AS IT SWUNG THROUGH THE IMPACT POINT, AND A PHOSPHORESCENT COATING ON THE PLAYING AREA IN THE SAME LOCATION AS, BUT IN A BROADER EXPANSE THAN, THE SAID ELONGATED CALIBRATION MARK.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |