US3167398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1961-06-23
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Granted: 1965-01-26
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Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
- 👤 William H Whittington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:43
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METERING APPARATUS COMPRISING A BODY AND A MEMBER ROTATABLE THEREIN, A CHAMBER IN SAID MEMBER HAVING TWO OPENINGS, A PISTON IN SAID CHAMBER, A SEAT IN SAID MEMBER FOR SAID PISTON ADJACENT EACH OF SAID TWO OPENINGS, EACH OF SAID SEATS SERVING TO MAINTAIN SAID PISTON ENTIRELY WITHIN SAID CHAMBER AND TO CLOSE THE SPACE BETWEEN SAID PISTON AND SAID MEMBER, AT LEAST ONE INLET IN SAID BODY, AT LEAST ONE OUTLET IN SAID BODY, AND MEANS FOR ROTATING SAID MEMBER TO CONNECT EACH OF SAID OPENINGS ALTERNATELY WITH AN INLET AND AN OUTLET.
Claim 2
Dependent Claim
95 words
A METERING APPARATUS COMPRISING A BODY AND A MEMBER ROTATABLE THEREIN, A CHAMBER IN SAID MEMBER HAVING TWO OPENINGS, A PISTON IN SAID CHAMBER, A SEAT IN SAID MEMBER FOR SAID PISTON ADJACENT EACH OF SAID TWO OPENINGS, EACH OF SAID SEATS SERVING TO MAINTAIN SAID PISTON ENTIRELY WITHIN SAID CHAMBER AND TO CLOSE THE SPACE BETWEEN SAID PISTON AND SAID MEMBER, AT LEAST ONE INLET IN SAID BODY, AT LEAST ONE OUTLET IN SAID BODY, AND MEANS FOR ROTATING SAID MEMBER TO CONNECT EACH OF SAID OPENINGS ALTERNATELY WITH AN INLET AND AN OUTLET.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |