Patent US3273514A successfully refreshed from Google Patents.
US3273514A
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Fluid conveying apparatus
Assignee: Individual
•
Filing: 1965-06-17
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Granted: 1966-09-20
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Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 Lloyd F Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:39
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/30; A; A01; A01J; A01J5/00; A01J5/04; F; F16; F16L; F16L29/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436; Y10T137/7722; Y10T137/7837; Y10T137/7838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
FLUID CONVEYING APPARATUS COMPRISING, A VESSEL HAVING A FLUID INLET CONDUIT AT ITS UPPER END, A FLUID OUTLET CONDUIT AT ITS LOWER END, AND A VACUUM CONDUIT ADJACENT ITS UPPER END, SAID FLUID INLET CONDUIT HAVING A ONE-WAY CHECK BALL TO PREVENT FLOW OF FLUID FROM SAID VESSEL AND ALSO HAVING DISTRIBUTOR MEANS COMPRISING A SHIFTABLE BALL IN SAID INLET CONDUIT TO DISTRIBUTE THE FLUID AROUND THE VESSEL AS IT FLOWS INTO THE VESSEL, SAID OUTLET CONDUIT HAVING A ONE-WAY FLUID DISCHARGE VALVE WHICH CLOSES WHEN SAID VESSEL IS SUBJECTED TO VACUUM AND OPENS WHEN SAID VESSEL IS OPEN TO ATMOSPHERE; AND SHIFTABLE VALVE MEANS FOR ALTERNATELY PLACING SAID VACUUM CONDUIT AND CONSEQUENTLY SAID VESSEL IN COMMUNICATION WITH A SOURCE OF VACUUM AND WITH THE ATMOSPHERE.
Claim 2
Dependent Claim
126 words
FLUID CONVEYING APPARATUS COMPRISING, A VESSEL HAVING A FLUID INLET CONDUIT AT ITS UPPER END, A FLUID OUTLET CONDUIT AT ITS LOWER END, AND A VACUUM CONDUIT ADJACENT ITS UPPER END, SAID FLUID INLET CONDUIT HAVING A ONE-WAY CHECK BALL TO PREVENT FLOW OF FLUID FROM SAID VESSEL AND ALSO HAVING DISTRIBUTOR MEANS COMPRISING A SHIFTABLE BALL IN SAID INLET CONDUIT TO DISTRIBUTE THE FLUID AROUND THE VESSEL AS IT FLOWS INTO THE VESSEL, SAID OUTLET CONDUIT HAVING A ONE-WAY FLUID DISCHARGE VALVE WHICH CLOSES WHEN SAID VESSEL IS SUBJECTED TO VACUUM AND OPENS WHEN SAID VESSEL IS OPEN TO ATMOSPHERE; AND SHIFTABLE VALVE MEANS FOR ALTERNATELY PLACING SAID VACUUM CONDUIT AND CONSEQUENTLY SAID VESSEL IN COMMUNICATION WITH A SOURCE OF VACUUM AND WITH THE ATMOSPHERE.
References Cited (Backward Citations)
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Cited
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |