Patent US3295371A successfully refreshed from Google Patents.
US3295371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lease automatic custody transfer unit
Assignee: Smith Development Co
•
Filing: 1964-02-21
•
Granted: 1967-01-03
•
Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Sydney S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F01; F01L; F01L23/00; F04B; F04B49/00; F04B49/10; F04B49/12; F04B53/00; F04B53/10; F04B53/102; F04B53/1022; F04B7/00; F04B7/0042; F04B7/0053; F04B9/00; F04B9/08; F04B9/12; F04B9/123; F04B9/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A LEASE AUTOMATIC CUSTODY TRANSFER UNIT, A HOUSING, A SINGLE PISTON ADAPTED TO MOVE BACK AND FORTH FREELY IN THE HOUSING TO DEFINED INTAKE AND PUMPING STROKES, MEANS TO MOVE SAID PISTON THROUGH PUMPING STROKES, A FLUID INLET IN THE HOUSING TO ONE SIDE OF THE PISTON ADAPTED TO BE CONNECTED TO THE LEASE TANK, A FLUID OUTLET IN THE HOUSING TO THE SAME SIDE OF THE PISTON ADAPTED TO BE CONNECTED TO THE PIPELINE GATHERING SYSTEM, MEANS IN THE PISTON RESPONSIVE TO CHANGES IN FLUID TEMPERATURE FOR VARYING THE EFFECTIVE PUMPING STROKES OF THE PISTON, A VALVE CONTROLLING THE FLUID OUTLET, AN ABUTMENT ON THE PISTON FOR CONTACTING THE FLUID OUTLET VALVE TO CLOSE IT AT THE END OF THE PISTON''S PUMPING STROKE, AND SAID MEANS RESPONSIVE TO CHANGES IN THE TEMPERATURE OF THE FLUID IN THE HOUSING BEING FORMED AND ADAPTED TO VARIABLY POSITION THE ABUTMENT SO THAT THE TIME OF CLOSING OF THE OUTLET VALVE AND THEREFORE THE EFFECTIVE PUMPING STROKE OF THE PISTON, WILL DEPEND ON FLUID TEMPERATURE.
Claim 2
Dependent Claim
173 words
IN A LEASE AUTOMATIC CUSTODY TRANSFER UNIT, A HOUSING, A SINGLE PISTON ADAPTED TO MOVE BACK AND FORTH FREELY IN THE HOUSING TO DEFINED INTAKE AND PUMPING STROKES, MEANS TO MOVE SAID PISTON THROUGH PUMPING STROKES, A FLUID INLET IN THE HOUSING TO ONE SIDE OF THE PISTON ADAPTED TO BE CONNECTED TO THE LEASE TANK, A FLUID OUTLET IN THE HOUSING TO THE SAME SIDE OF THE PISTON ADAPTED TO BE CONNECTED TO THE PIPELINE GATHERING SYSTEM, MEANS IN THE PISTON RESPONSIVE TO CHANGES IN FLUID TEMPERATURE FOR VARYING THE EFFECTIVE PUMPING STROKES OF THE PISTON, A VALVE CONTROLLING THE FLUID OUTLET, AN ABUTMENT ON THE PISTON FOR CONTACTING THE FLUID OUTLET VALVE TO CLOSE IT AT THE END OF THE PISTON''S PUMPING STROKE, AND SAID MEANS RESPONSIVE TO CHANGES IN THE TEMPERATURE OF THE FLUID IN THE HOUSING BEING FORMED AND ADAPTED TO VARIABLY POSITION THE ABUTMENT SO THAT THE TIME OF CLOSING OF THE OUTLET VALVE AND THEREFORE THE EFFECTIVE PUMPING STROKE OF THE PISTON, WILL DEPEND ON FLUID TEMPERATURE.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |