Patent US2963947A successfully refreshed from Google Patents.
Patent US3244002A successfully refreshed from Google Patents.
US3244002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented ball valve and flowmeter
Assignee: North American Aviation Corp
•
Filing: 1963-05-10
•
Granted: 1966-04-05
•
Expires: 1983-05-10
Abstract
No abstract record available.
Inventors
- 👤 Prono Edward
- 👤 Louis H Shinault
- 👤 Speisman Camille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A COMBINATION VALVE AND FLOWMETER ASSEMBLY COMPRISING: HOUSING MEANS, SAID HOUSING MEANS HAVING AN OPENING FOR ENTRY OF FLUID AND AN OPENING FOR EXIT OF FLUID, SAID HOUSING MEMBER BEING CURVED ADJACENT SAID OPENING FOR ENTRY OF FLUID, A HOLLOW CLOSURE MEMBER, SAID CLOSURE MEMBER BEING CURVED TO CONFORM TO THE CURVE OF SAID HOUSING MEMBER AND MOVABLE WITH RESPECT THERETO AND ADAPTED TO OPEN SAID ENTRY OPENING WHEN IN ONE POSITION AND TO CLOSE SAID ENTRY WHEN IN ANOTHER POSITION, FLOWMETER MEANS CONTAINED WITHIN SAID HOUSING, SAID FLOWMETER MEANS BEING RESPONSIVE TO FLUID FLOW THROUGH SAID HOUSING SO AS TO MEASURE SAID FLUID FLOW, SAID FLOWMETER MEANS BEING LOCATED SUBSTANTIALLY WITHIN SAID HOLLOW CLOSURE MEMBER.
Claim 2
Dependent Claim
116 words
A COMBINATION VALVE AND FLOWMETER ASSEMBLY COMPRISING: HOUSING MEANS, SAID HOUSING MEANS HAVING AN OPENING FOR ENTRY OF FLUID AND AN OPENING FOR EXIT OF FLUID, SAID HOUSING MEMBER BEING CURVED ADJACENT SAID OPENING FOR ENTRY OF FLUID, A HOLLOW CLOSURE MEMBER, SAID CLOSURE MEMBER BEING CURVED TO CONFORM TO THE CURVE OF SAID HOUSING MEMBER AND MOVABLE WITH RESPECT THERETO AND ADAPTED TO OPEN SAID ENTRY OPENING WHEN IN ONE POSITION AND TO CLOSE SAID ENTRY WHEN IN ANOTHER POSITION, FLOWMETER MEANS CONTAINED WITHIN SAID HOUSING, SAID FLOWMETER MEANS BEING RESPONSIVE TO FLUID FLOW THROUGH SAID HOUSING SO AS TO MEASURE SAID FLUID FLOW, SAID FLOWMETER MEANS BEING LOCATED SUBSTANTIALLY WITHIN SAID HOLLOW CLOSURE MEMBER.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |