US3173575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for measuring liquids
Assignee: Sandoz AG
•
Filing: 1962-01-10
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Granted: 1965-03-16
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Expires: 1982-01-10
Abstract
No abstract record available.
Inventors
- 👤 Gugerli Ulrich
- 👤 Vogeli Urs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:08
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/029; B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203; B01L3/0206; F; F04; F04B; F04B9/00; F04B9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD OF SUPPLYING MEASURED QUANTITIES OF LIQUIDS COMPRISING MOVING A PISTON IN A VESSEL BY DRIVING THE PISTON TO DISPLACE QUANTITIES OF LIQUID FROM THE VESSEL RELATED TO THE MAGNITUDE OF MOVEMENT OF THE PISTON, GENERATING PERIODIC PLUSES DURING MOVEMENT OF THE PISTON AND DRIVING THE PISTON FOR MOVEMENT AT A RATE OF SPEED DETERMINED BY THE RATE OF GENERATING OF THE PERIODIC PULSES, CONTROLLING THE MAGNITUDE OF MOVEMENT OF THE PISTON BY TERMINATING MOVEMENT OF THE PISTON AFTER A PARTICULAR ACCUMULATED NUMBER OF PULSES HAVE ELAPSED FROM THE TIME OF INITIAL MOVEMENT OF THE PISTON, SAID PARTICULAR NUMBER OF PULSES BEING EQUIVALENT TO THE DESIRED PREDETERMINED MAGNITUDE OF MOVEMENT OF THE PISTON AND SUBSTANTIALLY IRRESPECTIVE OF THE RATE OF MOVEMENT OF THE PISTON.
Claim 2
Independent Claim
125 words
A METHOD OF SUPPLYING MEASURED QUANTITIES OF LIQUIDS COMPRISING MOVING A PISTON IN A VESSEL BY DRIVING THE PISTON TO DISPLACE QUANTITIES OF LIQUID FROM THE VESSEL RELATED TO THE MAGNITUDE OF MOVEMENT OF THE PISTON, GENERATING PERIODIC PLUSES DURING MOVEMENT OF THE PISTON AND DRIVING THE PISTON FOR MOVEMENT AT A RATE OF SPEED DETERMINED BY THE RATE OF GENERATING OF THE PERIODIC PULSES, CONTROLLING THE MAGNITUDE OF MOVEMENT OF THE PISTON BY TERMINATING MOVEMENT OF THE PISTON AFTER A PARTICULAR ACCUMULATED NUMBER OF PULSES HAVE ELAPSED FROM THE TIME OF INITIAL MOVEMENT OF THE PISTON, SAID PARTICULAR NUMBER OF PULSES BEING EQUIVALENT TO THE DESIRED PREDETERMINED MAGNITUDE OF MOVEMENT OF THE PISTON AND SUBSTANTIALLY IRRESPECTIVE OF THE RATE OF MOVEMENT OF THE PISTON.
References Cited (Backward Citations)
US2673686A
Cited
US2966175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |