US3227325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering dispenser for plastic materials
Assignee: Individual
•
Filing: 1963-06-26
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Granted: 1966-01-04
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Expires: 1983-06-26
Abstract
No abstract record available.
Inventors
- 👤 Leonard E Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
B; B29; B29C; B29C31/00; B29C31/04; B29C31/06; B29C31/061; B29C31/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A LIQUID DISPENSING APPARATUS HAVING A METERING CYLINDER FOR RECEIVING AND DISCHARGING PREDETERMINED AMOUNTS OF LIQUID FROM A LIQUID SUPPLY SOURCE, THE COMBINATION OF A VALVE ELEMENT TRAVERSING ONE END OF SAID METERING CYLINDER AND HAVING SPACED SUPPLY AND DISCHARGE DUCTS THEREIN, SAID SUPPLY AND DISCHARGE DUCTS TERMINATING IN CIRCUMFERENTIALLY SPACED SUPPLY AND DISCHARGE PORTS, RESPECTIVELY, AND SAID PORTS BEING ALIGNED FOR SUCCESSIVE MOVEMENT INTO COMMUNICATION WITH SAID METERING CYLINDER, SAID VALVE BEING MOVABLE BETWEEN A FIRST POSITION IN WHICH SAID SUPPLY PORT IS IN COMMUNICATION BETWEEN THE LIQUID SUPPLY SOURCE AND THE METERING CYLINDER FOR DELIVERY OF LIQUID TO SAID CYLINDER AND A SECOND POSITION IN WHICH
Claim 2
Dependent Claim
109 words
IN A LIQUID DISPENSING APPARATUS HAVING A METERING CYLINDER FOR RECEIVING AND DISCHARGING PREDETERMINED AMOUNTS OF LIQUID FROM A LIQUID SUPPLY SOURCE, THE COMBINATION OF A VALVE ELEMENT TRAVERSING ONE END OF SAID METERING CYLINDER AND HAVING SPACED SUPPLY AND DISCHARGE DUCTS THEREIN, SAID SUPPLY AND DISCHARGE DUCTS TERMINATING IN CIRCUMFERENTIALLY SPACED SUPPLY AND DISCHARGE PORTS, RESPECTIVELY, AND SAID PORTS BEING ALIGNED FOR SUCCESSIVE MOVEMENT INTO COMMUNICATION WITH SAID METERING CYLINDER, SAID VALVE BEING MOVABLE BETWEEN A FIRST POSITION IN WHICH SAID SUPPLY PORT IS IN COMMUNICATION BETWEEN THE LIQUID SUPPLY SOURCE AND THE METERING CYLINDER FOR DELIVERY OF LIQUID TO SAID CYLINDER AND A SECOND POSITION IN WHICH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |