US3277879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-throwing machine
Assignee: Individual
•
Filing: 1964-04-30
•
Granted: 1966-10-11
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Edward E Sayette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:03
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A BALL-THROWING APPARATUS COMPRISING, A HOUSING, A MOTOR-OPERATED TRANSMISSION THEREIN FOR SPEED VARIATION, A UNIVERSALLY-MOUNTED BALL-EJECTION TUBE HAVING A COMPRESSION SPRING AND PLUNGER LOCATED WITHIN IT, A PIVOTED DOG CONNECTED TO THE PLUNGER AND ADAPTED TO CAUSE COMPRESSION OF THE SPRING AND RETRACTION OF THE PLUNGER AND THEN PERMIT THE EXPANSION OF THE SPRING AND CAUSE BALLEJECTION BY THE PLUNGER, MEANS DRIVEN FROM THE TRANSMISSION TO CAUSE ROTATIVE MOVEMENT OF THE DOG, A PLURALITY OF CAMS ROTATED FROM THE TRANSMISSION, A CAM FOLLOWER MEANS CONTACTING AT LEAST ONE OF THE CAMS, A COUPLING BETWEEN SAID CAM FOLLOWER MEANS AND THE BALL-EJECTION TUBE BY WHICH VERTICAL INCLINATION OF THE TUBE OCCURS A PREDETERMINED INTERVALS, A SECOND CAM FOLLOWER MEANS CONTACTING AT LEAST ANOTHER ONE OF THE CAMS, AND A COUPLING BETWEEN THE SECOND CAM FOLLOWER MEANS AND THE BALL-EJECTION TUBE BY WHICH HORIZONTAL PIVOTAL MOVEMENT OF THE BALL-EJECTION TUBE WILL OCCUR AT PREDETERMINED INTERVALS.
Claim 2
Dependent Claim
153 words
A BALL-THROWING APPARATUS COMPRISING, A HOUSING, A MOTOR-OPERATED TRANSMISSION THEREIN FOR SPEED VARIATION, A UNIVERSALLY-MOUNTED BALL-EJECTION TUBE HAVING A COMPRESSION SPRING AND PLUNGER LOCATED WITHIN IT, A PIVOTED DOG CONNECTED TO THE PLUNGER AND ADAPTED TO CAUSE COMPRESSION OF THE SPRING AND RETRACTION OF THE PLUNGER AND THEN PERMIT THE EXPANSION OF THE SPRING AND CAUSE BALLEJECTION BY THE PLUNGER, MEANS DRIVEN FROM THE TRANSMISSION TO CAUSE ROTATIVE MOVEMENT OF THE DOG, A PLURALITY OF CAMS ROTATED FROM THE TRANSMISSION, A CAM FOLLOWER MEANS CONTACTING AT LEAST ONE OF THE CAMS, A COUPLING BETWEEN SAID CAM FOLLOWER MEANS AND THE BALL-EJECTION TUBE BY WHICH VERTICAL INCLINATION OF THE TUBE OCCURS A PREDETERMINED INTERVALS, A SECOND CAM FOLLOWER MEANS CONTACTING AT LEAST ANOTHER ONE OF THE CAMS, AND A COUPLING BETWEEN THE SECOND CAM FOLLOWER MEANS AND THE BALL-EJECTION TUBE BY WHICH HORIZONTAL PIVOTAL MOVEMENT OF THE BALL-EJECTION TUBE WILL OCCUR AT PREDETERMINED INTERVALS.
References Cited (Backward Citations)
US2791156A
Cited
US3128753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |