US3227312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot injector
Assignee: Millennium Petrochemicals Inc
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Filing: 1964-09-08
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Granted: 1966-01-04
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Ragnar S Solvik
- 👤 Kirch William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:29
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/16; G01N30/20; F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/083; F16K11/0833; F16K5/00; F16K5/02; F16K5/0207; F16K5/0257; F16K5/0271; G01F; G01F11/00; G01F11/10; G01F11/12; G01F11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METERING VALVE COMPRISING A VALVE BODY HAVING A CENTRALLY LOCATED TAPERED RECESS THEREIN, SAID VALVE BODY BEING PROVIDED WITH INLET AND OUTLET PASSAGE EXTENDING THERETHROUGH, SAID PASSAGES LYING IN A COMMON PLANE AND BEING PERPENDICULARLY DISPOSED WITH RESPECT TO SUCH OTHER AND COMMUNICATING WITH SAID TAPERED RECESS, A COMPLEMENTARILY TAPERED VALVE PLUG MOUNTED WITHIN SAID RECESS FOR ROTATIVE MOVEMENT, SAID VALVE PLUG HAVING TWO NON-INTERSECTING PORTS EXTENDING THERETHROUGH, THE CENTRAL PORTIONS OF SAID PORTS BEING OPPOSITELY OFFSET AND SAID PORTS BEING PERPENDICULARLY DISPOSED WITH RESPECT TO EACH OTHER, THE OPPOSITE EXTREMITIES OF SAID PORTS LYING IN A PLANE IDENTICAL TO THAT OF SAID INLET AND OUTLET PASSAGES IN SAID VALVE BODY, THE EXTREMITIES OF SAID PORTS BEING IDENTICAL IN SHAPE TO THE EXTREMITIES OF SAID INLET AND OUTLET PASSAGES ADJACENT SAID EXTREMITIES OF SAID PORTS, THE CONSTRUCTION AND ARRANGEMENT BEING SUCH THAT WHEN ONE OF SAID PORTS IS IN COMMUNICATION WITH THE INLET PASSAGE OF SAID VALVE BODY THE OTHER PORT IS IN COMMUNICATION WITH THE OUTLET PASSAGE THEREIN.
Claim 2
Dependent Claim
170 words
A METERING VALVE COMPRISING A VALVE BODY HAVING A CENTRALLY LOCATED TAPERED RECESS THEREIN, SAID VALVE BODY BEING PROVIDED WITH INLET AND OUTLET PASSAGE EXTENDING THERETHROUGH, SAID PASSAGES LYING IN A COMMON PLANE AND BEING PERPENDICULARLY DISPOSED WITH RESPECT TO SUCH OTHER AND COMMUNICATING WITH SAID TAPERED RECESS, A COMPLEMENTARILY TAPERED VALVE PLUG MOUNTED WITHIN SAID RECESS FOR ROTATIVE MOVEMENT, SAID VALVE PLUG HAVING TWO NON-INTERSECTING PORTS EXTENDING THERETHROUGH, THE CENTRAL PORTIONS OF SAID PORTS BEING OPPOSITELY OFFSET AND SAID PORTS BEING PERPENDICULARLY DISPOSED WITH RESPECT TO EACH OTHER, THE OPPOSITE EXTREMITIES OF SAID PORTS LYING IN A PLANE IDENTICAL TO THAT OF SAID INLET AND OUTLET PASSAGES IN SAID VALVE BODY, THE EXTREMITIES OF SAID PORTS BEING IDENTICAL IN SHAPE TO THE EXTREMITIES OF SAID INLET AND OUTLET PASSAGES ADJACENT SAID EXTREMITIES OF SAID PORTS, THE CONSTRUCTION AND ARRANGEMENT BEING SUCH THAT WHEN ONE OF SAID PORTS IS IN COMMUNICATION WITH THE INLET PASSAGE OF SAID VALVE BODY THE OTHER PORT IS IN COMMUNICATION WITH THE OUTLET PASSAGE THEREIN.
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 |