Patent US3212823A successfully refreshed from Google Patents.
US3212823A
Expired / Lapsed
US
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Receiving structure for flowable material
Assignee: EAST CHICAGO MACHINE TOOL CORP
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Filing: 1962-05-08
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Granted: 1965-10-19
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Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Hilary A Raab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:04
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/301; B30B9/3007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
RECEIVING STRUCTURE OF THE KIND ESCRIBED COMPRISING AN UPRIGHT INCLINED ELONGATE TUBULAR CASING HAVING AN INLET AT ITS LOWER END AND AN UPPER OUTLET, SAID CASING ALSO BEING PROVIDED WITH INTERNAL GUIDE MEANS, A HOUSING ADJACENT SAID CASING AND PROVIDED WITH GUIDE MEANS ALIGNED WITH SAID INTERNAL GUIDE MEANS, SAID STRUCTURE HAVING A FRONT AND BACK AND PROVIDED WITH LOWER PORTIONS AFFORDING SUPPORT FOR SAID STRUCTURE, SAID CSING AND HOUSING HAVING A COMMON WALL THEREBETWEEN PROVIDED WITH AN OPENING, A VALVE PLATE SLIDABLE ON SAID GUIDE MEANS THROUGH SID OPENING AND HAVING A FREE EDGE PORTION DISPOSED AT AN ANGLE INCLINED TOWARD SAID OUTLET, AND MEANS DISPOSED IN SAID HOUSING AT THE REAR OF SAID COMMON WALL AND ABOVE SAID LOWER PORTIONS OF SAID STRUCTURE FOR RECIPROCATING SAID VALVE PLATE.
Claim 2
Dependent Claim
130 words
RECEIVING STRUCTURE OF THE KIND ESCRIBED COMPRISING AN UPRIGHT INCLINED ELONGATE TUBULAR CASING HAVING AN INLET AT ITS LOWER END AND AN UPPER OUTLET, SAID CASING ALSO BEING PROVIDED WITH INTERNAL GUIDE MEANS, A HOUSING ADJACENT SAID CASING AND PROVIDED WITH GUIDE MEANS ALIGNED WITH SAID INTERNAL GUIDE MEANS, SAID STRUCTURE HAVING A FRONT AND BACK AND PROVIDED WITH LOWER PORTIONS AFFORDING SUPPORT FOR SAID STRUCTURE, SAID CSING AND HOUSING HAVING A COMMON WALL THEREBETWEEN PROVIDED WITH AN OPENING, A VALVE PLATE SLIDABLE ON SAID GUIDE MEANS THROUGH SID OPENING AND HAVING A FREE EDGE PORTION DISPOSED AT AN ANGLE INCLINED TOWARD SAID OUTLET, AND MEANS DISPOSED IN SAID HOUSING AT THE REAR OF SAID COMMON WALL AND ABOVE SAID LOWER PORTIONS OF SAID STRUCTURE FOR RECIPROCATING SAID VALVE PLATE.
References Cited (Backward Citations)
US1020838A
Cited
US2221741A
Cited
US2413479A
Cited
US2673126A
Cited
US3025785A
Cited
US3111892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |