US3400703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic ball throwing machine
Assignee: Individual
•
Filing: 1965-10-19
•
Granted: 1968-09-10
•
Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Barry V Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:41
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/40; A63B69/409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A BALL THROWING MACHINE FOR USE BY TENNIS, SOFT BALL AND THE LIKE PLAYERS, SAID MACHINE HAVING A MAIN FRAME, A BALL THROWING BARREL MOUNTED ON SAID FRAME HAVING A DISCHARGE END AND A BREECH END, BALL HOPPER MEANS FOR STORING AND FEEDING A PLURALITY OF BALLS INDIVIDUALLY INTO THE BREECH END OF SAID BARREL, MEANS FOR SUPPLY PRESSURIZED AIR TO SAID BREECH END INCLUDING PRESSURE RESPONSIVE MEANS OPERABLE IN RESPONSE TO A PREDETERMINED AIR PRESSURE TO JET AIR INTO SAID BREECH END REARWARD OF A BALL THEREIN TO PROPEL THE SAME ALONG SAID BARREL AND OUT OF THE DISCHARGE END THEREOF AT A DESIRED VELOCITY, SAID PRESSURE RESPONSIVE MEANS INCLUDING PRESSURE SENSITIVE SWITCH MEANS CONNECTED IN CIRCUIT WITH A NORMALLY CLOSED SNAP-ACTION SOLENOID
Claim 2
Dependent Claim
124 words
A BALL THROWING MACHINE FOR USE BY TENNIS, SOFT BALL AND THE LIKE PLAYERS, SAID MACHINE HAVING A MAIN FRAME, A BALL THROWING BARREL MOUNTED ON SAID FRAME HAVING A DISCHARGE END AND A BREECH END, BALL HOPPER MEANS FOR STORING AND FEEDING A PLURALITY OF BALLS INDIVIDUALLY INTO THE BREECH END OF SAID BARREL, MEANS FOR SUPPLY PRESSURIZED AIR TO SAID BREECH END INCLUDING PRESSURE RESPONSIVE MEANS OPERABLE IN RESPONSE TO A PREDETERMINED AIR PRESSURE TO JET AIR INTO SAID BREECH END REARWARD OF A BALL THEREIN TO PROPEL THE SAME ALONG SAID BARREL AND OUT OF THE DISCHARGE END THEREOF AT A DESIRED VELOCITY, SAID PRESSURE RESPONSIVE MEANS INCLUDING PRESSURE SENSITIVE SWITCH MEANS CONNECTED IN CIRCUIT WITH A NORMALLY CLOSED SNAP-ACTION SOLENOID
References Cited (Backward Citations)
US2304320A
Cited
US3018769A
Cited
DE1185096B
Cited
US3128752A
Cited
US3272194A
Cited
FR1377593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |