US3207189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container filling machine
Assignee: Pneumatic Scale Corp
•
Filing: 1962-12-17
•
Granted: 1965-09-21
•
Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Robert W Vergobbi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:55
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/02; B67C3/22; B67C3/26; B67C3/2614
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A CONTAINER FILLING MACHINE, IN COMBINATION, A FILLING HEAD HAVING A LIQUID CONTROL VALVE, A LOW PRESSURE AIR CONDUCTOR, AN AIR NOZZLE CONNECTED TO SAID AIR CONDUCTOR AND HAVING AN OUTLET BLOCKED BY THE LIQUID WHEN IT REACHES A PREDETERMINED HEIGHT IN THE CONTAINER TO EFFECT A BACK PRESSURE IN SAID NOZZLE, CONTROL MEANS RESPONSIVE TO SAID BACK PRESSURE FOR CLOSING SAID LIQUID CONTROL VALVE, A HIGH PRESSURE AIR CONDUCTOR ALSO CONNECTED TO SAID NOZZLE, MEANS FOR PERIODICALLY DIRECTING AIR AT HIGH PRESSURE THROUGH SAID NOZZLE TO CLEAR THE SAME, AND MEANS FOR PREVENTING SAID HIGH PRESSURE AIR FROM BACKING UP INTO SAID LOW PRESSURE CONDUCTOR DURING THE CLEARING OPERATION.
Claim 2
Dependent Claim
111 words
IN A CONTAINER FILLING MACHINE, IN COMBINATION, A FILLING HEAD HAVING A LIQUID CONTROL VALVE, A LOW PRESSURE AIR CONDUCTOR, AN AIR NOZZLE CONNECTED TO SAID AIR CONDUCTOR AND HAVING AN OUTLET BLOCKED BY THE LIQUID WHEN IT REACHES A PREDETERMINED HEIGHT IN THE CONTAINER TO EFFECT A BACK PRESSURE IN SAID NOZZLE, CONTROL MEANS RESPONSIVE TO SAID BACK PRESSURE FOR CLOSING SAID LIQUID CONTROL VALVE, A HIGH PRESSURE AIR CONDUCTOR ALSO CONNECTED TO SAID NOZZLE, MEANS FOR PERIODICALLY DIRECTING AIR AT HIGH PRESSURE THROUGH SAID NOZZLE TO CLEAR THE SAME, AND MEANS FOR PREVENTING SAID HIGH PRESSURE AIR FROM BACKING UP INTO SAID LOW PRESSURE CONDUCTOR DURING THE CLEARING OPERATION.
References Cited (Backward Citations)
GB395667A
Cited
US2745585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |