US3146726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aspiratory assembly
Assignee: Union Tank Car Co
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Filing: 1962-07-24
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Granted: 1964-09-01
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Expires: 1982-07-24
Abstract
No abstract record available.
Inventors
- 👤 Richard G Sidebottom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:26
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN ASPIRATOR ASSEMBLY COMPRISING: (A) A CASING DEFINING AN AXIALLY ELONGATED TUBULAR CHAMBER AND A MIDDLE AND END PORTS SPACED ALONG SAID CASING IN COMMUNICATION WITH SAID CHAMBER; (B) A TUBULAR BODY FITTING IN SAID CHAMBER AND HAVING A CLOSED END, AN OPEN END, AND A CLOSED END CHAMBER, SAID OPEN END COMMUNICATING WITH ONE OF SAID END PORTS, AND SAID CLOSED END CHAMBER COMMUNICATING WITH THE OTHER END PORT; (C) A TUBULAR LINER MEMBER FITTING IN SAID TUBULAR BODY, HAVING AN ANNULAR INTERNAL FLANGE SPACED FROM THE ENDS THEREOF AND FORMED WITH A FIRST PASSAGE COMMUNICATING WITH SAID MIDDLE PORT; (D) AN INJECTOR NOZZLE FITTING IN AN ANNULAR RECESS AT ONE SIDE OF SAID FLANGE IN SAID LINER MEMBER; AND (E) A VENTURI DISK FITTING IN AN ANNULAR RECESS IN SAID LINER MEMBER AT THE OPPOSITE SIDE OF SAID FLANGE AND HAVING A VENTURI PASSAGE DISPOSED IN AXIAL ALIGNMENT WITH SAID INJECTOR NOZZLE, SAID INJECTOR NOZZLE AND VENTURI DISK BEING SPACED ONE FROM THE OTHER TO DEFINE A SUCTION CHAMBER IN SAID TUBULAR LINER MEMBER COMMUNICATING WITH SAID FIRST PASSAGE AND MIDDLE PORT.
Claim 2
Dependent Claim
184 words
AN ASPIRATOR ASSEMBLY COMPRISING: (A) A CASING DEFINING AN AXIALLY ELONGATED TUBULAR CHAMBER AND A MIDDLE AND END PORTS SPACED ALONG SAID CASING IN COMMUNICATION WITH SAID CHAMBER; (B) A TUBULAR BODY FITTING IN SAID CHAMBER AND HAVING A CLOSED END, AN OPEN END, AND A CLOSED END CHAMBER, SAID OPEN END COMMUNICATING WITH ONE OF SAID END PORTS, AND SAID CLOSED END CHAMBER COMMUNICATING WITH THE OTHER END PORT; (C) A TUBULAR LINER MEMBER FITTING IN SAID TUBULAR BODY, HAVING AN ANNULAR INTERNAL FLANGE SPACED FROM THE ENDS THEREOF AND FORMED WITH A FIRST PASSAGE COMMUNICATING WITH SAID MIDDLE PORT; (D) AN INJECTOR NOZZLE FITTING IN AN ANNULAR RECESS AT ONE SIDE OF SAID FLANGE IN SAID LINER MEMBER; AND (E) A VENTURI DISK FITTING IN AN ANNULAR RECESS IN SAID LINER MEMBER AT THE OPPOSITE SIDE OF SAID FLANGE AND HAVING A VENTURI PASSAGE DISPOSED IN AXIAL ALIGNMENT WITH SAID INJECTOR NOZZLE, SAID INJECTOR NOZZLE AND VENTURI DISK BEING SPACED ONE FROM THE OTHER TO DEFINE A SUCTION CHAMBER IN SAID TUBULAR LINER MEMBER COMMUNICATING WITH SAID FIRST PASSAGE AND MIDDLE PORT.
References Cited (Backward Citations)
US1031289A
Cited
US2957494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |