US3288127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseball pitching machine with ball curving device
Assignee: Individual
•
Filing: 1964-09-30
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Granted: 1966-11-29
•
Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 John C Bullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:00
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/40; A63B69/409; A63B2069/402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PITCHING MACHINE COMPRISING A PNEUMATIC GUN INCLUDING A BARREL FROM WHICH A BALL MAY BE PROPELLED, MEANS MOUNTING SAID GUN IN AN ELEVATED POSITION FOR SELECTIVE MOVEMENT ABOUT A VERTICAL AXIS AND A HORIZONTAL AXIS TRANSVERSE TO SAID BARREL, A RING MOUNTED UPON THE END OF SAID BARREL FOR SELECTIVE CONCENTRIC ROTATION RELATIVE THERETO, A SECOND RING COAXIALLY SPACED FROM SAID FIRST RING AWAY FROM SAID BARREL, A PLURALITY OF LONGITUDINALLY ELONGATED LOW COEFFICIENT OF FRICTION RODS SECURED BETWEEN SAID RINGS AT CIRCUMFERENTIALLY SPACED POSITIONS THEREOF, A HIGH COEFFICIENT OF FRICTION STRIP MEMBER MOUNTED LONGITUDINALLY BETWEEN SAID RINGS AND HAVING AN ARCUATE CROSS SECTION MEANS MOUNTING SAID STRIP MEMBER FOR MOVEMENT RADIALLY OF SAID RINGS, MEANS SPRING LOADING SAID STRIP MEMBER IN A DIRECTION RADIALLY OUTWARD OF SAID RINGS, AND ADJUSTABLE STOP MEANS FOR VARIABLY LIMITING RADIAL OUTWARD MOVEMENT OF SAID STRIP MEMBER.
Claim 2
Dependent Claim
144 words
A PITCHING MACHINE COMPRISING A PNEUMATIC GUN INCLUDING A BARREL FROM WHICH A BALL MAY BE PROPELLED, MEANS MOUNTING SAID GUN IN AN ELEVATED POSITION FOR SELECTIVE MOVEMENT ABOUT A VERTICAL AXIS AND A HORIZONTAL AXIS TRANSVERSE TO SAID BARREL, A RING MOUNTED UPON THE END OF SAID BARREL FOR SELECTIVE CONCENTRIC ROTATION RELATIVE THERETO, A SECOND RING COAXIALLY SPACED FROM SAID FIRST RING AWAY FROM SAID BARREL, A PLURALITY OF LONGITUDINALLY ELONGATED LOW COEFFICIENT OF FRICTION RODS SECURED BETWEEN SAID RINGS AT CIRCUMFERENTIALLY SPACED POSITIONS THEREOF, A HIGH COEFFICIENT OF FRICTION STRIP MEMBER MOUNTED LONGITUDINALLY BETWEEN SAID RINGS AND HAVING AN ARCUATE CROSS SECTION MEANS MOUNTING SAID STRIP MEMBER FOR MOVEMENT RADIALLY OF SAID RINGS, MEANS SPRING LOADING SAID STRIP MEMBER IN A DIRECTION RADIALLY OUTWARD OF SAID RINGS, AND ADJUSTABLE STOP MEANS FOR VARIABLY LIMITING RADIAL OUTWARD MOVEMENT OF SAID STRIP MEMBER.
References Cited (Backward Citations)
US333635A
Cited
US2182369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |