US3227315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for metering predetermined volumes of liquid
Assignee: WAINCO PRODUCTS Ltd
•
Filing: 1964-09-30
•
Granted: 1966-01-04
•
Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Wain Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:06
CPC Classifications
G; G01; G01F; G01F11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A LIQUID FEED DEVICE FOR SUPPLYING MEASURED AMOUNTS OF LIQUID FROM A STORAGE VESSEL TO A BATH, WHICH COMPRISES A FIRST FLEXIBLE TUBE CONNECTING THE STORAGE VESSEL TO A MEASURING VESSEL, A SECOND FLEXIBLE TUBE CONNECTING THE MEASURING VESSEL TO THE BATH, A FIRST ELECTRODE POSITIONED WITHIN THE MEASURING VESSEL, A SECOND ELECTRODE WITHIN THE VESSEL AND SPACED FROM THE FIRST ELECTRODE, A FIRST RELAY CONNECTED TO THE SECOND ELECTRODE, AN ELECTRIC MOTOR ELECTRICALLY CONNECTED TO THE FIRST RELAY BY WAY OF A SWITCH, MEANS FOR ACTUATING THE SWITCH IN RESPONSE TO REVOLUTION OF THE MOTOR, A SECOND RELAY ELECTRICALLY CONNECTED TO THE MOTOR BY WAY OF A SECOND MOTOR RESPONSIVE SWITCH ACTUATING MEANS AND SWITCH, CLAMPING MEANS DRIVEN BY THE MOTOR AND ADAPTED TO CLAMP ALTERNATIVELY THE FIRST AND THE SECOND FLEXIBLE TUBES, THE CLAMPING MEANS AND THE SWITCH ACTUATING MEANS BEING SO SYNCHRONISED THAT, WHEN ONE TUBE IS CLAMPED ONE SWITCH ACTUATOR OPERATES TO BREAK THE CIRCUIT TO THE MOTOR BY WAY OF ONE RELAY AND WHEN THE OTHER IS CLAMPED THE OTHER SWITCH ACTUATOR OPERATES TO BREAK THE CIRCUIT TO THE MOTOR BY WAY OF THE OTHER RELAY.
Claim 2
Dependent Claim
191 words
A LIQUID FEED DEVICE FOR SUPPLYING MEASURED AMOUNTS OF LIQUID FROM A STORAGE VESSEL TO A BATH, WHICH COMPRISES A FIRST FLEXIBLE TUBE CONNECTING THE STORAGE VESSEL TO A MEASURING VESSEL, A SECOND FLEXIBLE TUBE CONNECTING THE MEASURING VESSEL TO THE BATH, A FIRST ELECTRODE POSITIONED WITHIN THE MEASURING VESSEL, A SECOND ELECTRODE WITHIN THE VESSEL AND SPACED FROM THE FIRST ELECTRODE, A FIRST RELAY CONNECTED TO THE SECOND ELECTRODE, AN ELECTRIC MOTOR ELECTRICALLY CONNECTED TO THE FIRST RELAY BY WAY OF A SWITCH, MEANS FOR ACTUATING THE SWITCH IN RESPONSE TO REVOLUTION OF THE MOTOR, A SECOND RELAY ELECTRICALLY CONNECTED TO THE MOTOR BY WAY OF A SECOND MOTOR RESPONSIVE SWITCH ACTUATING MEANS AND SWITCH, CLAMPING MEANS DRIVEN BY THE MOTOR AND ADAPTED TO CLAMP ALTERNATIVELY THE FIRST AND THE SECOND FLEXIBLE TUBES, THE CLAMPING MEANS AND THE SWITCH ACTUATING MEANS BEING SO SYNCHRONISED THAT, WHEN ONE TUBE IS CLAMPED ONE SWITCH ACTUATOR OPERATES TO BREAK THE CIRCUIT TO THE MOTOR BY WAY OF ONE RELAY AND WHEN THE OTHER IS CLAMPED THE OTHER SWITCH ACTUATOR OPERATES TO BREAK THE CIRCUIT TO THE MOTOR BY WAY OF THE OTHER RELAY.
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 |