Patent US3158296A successfully refreshed from Google Patents.
US3158296A
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Fluid storage and discharge apparatus
Assignee: Cornelius Co
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Filing: 1962-03-08
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Granted: 1964-11-24
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Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Richard T Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:10
CPC Classifications
F; F17; F17C; F17C1/00; B; B67; B67D; B67D1/00; B67D1/04; B67D1/045; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0147; F17C2201/0166; F17C2201/0176; F17C2201/0185; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0617; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018; F17C2205/03; F17C2205/0302; F17C2205/0305; F17C2205/0323; F17C2205/0388; F17C2205/0394; F17C2205/0397; F17C2209/00; F17C2209/22; F17C2209/221; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2227/00; F17C2227/04; F17C2227/045; F17C2260/00; F17C2260/01; F17C2260/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
FLUID DISCHARGE APPARATUS FOR DISCHARGING A FLUID COMPRISING: (A) A RIGID TANK HAVING A FLUID PORT AT ONE END TO RECEIVE AND TO DISCHARGE THE FLUID, AND HAVING A PRESSURIZING PORT AT THE OPPOSITE END, SAID TANK ENDS EACH HAVING AN INTERNAL CONTOUR; AND (B) A MOLDED REVERSIBLE FLEXIBLE DIAPHRAGM SECURED AT ITS PERIPHERY TO SAID TANK ALONG THE LENGTH THEREOF, AND HAVING A CENTRAL PORTION ENGAGEABLE AT ONE SIDE THEREOF WITH THE INTERNAL CONTOUR OF ONE OF SAID TANK ENDS, SAID ONE DIAPHRAGM SIDE INCLUDING A SERIES OF ELONGATED RIBS DIRECTLY ENGAGEABLE WITH THE INTERNAL CONTOUR OF SAID ONE TANK END AND EXTENDING GENERALLY AXIALLY OF SAID TANK AND CONVERGING NEAR THE PORT IN SAID ONE TANK END, AND EACH OPERATIVE TO SPACE THE ADJACENT NON-RIBBED PORTION OF THE DIAPHRAGM FROM THE INTERIOR SURFACE OF THE TANK TO VENT TO SUCH PORT ANY ENTRAPPED POCKET WHICH MAY TEND TO FORM.
Claim 2
Dependent Claim
151 words
FLUID DISCHARGE APPARATUS FOR DISCHARGING A FLUID COMPRISING: (A) A RIGID TANK HAVING A FLUID PORT AT ONE END TO RECEIVE AND TO DISCHARGE THE FLUID, AND HAVING A PRESSURIZING PORT AT THE OPPOSITE END, SAID TANK ENDS EACH HAVING AN INTERNAL CONTOUR; AND (B) A MOLDED REVERSIBLE FLEXIBLE DIAPHRAGM SECURED AT ITS PERIPHERY TO SAID TANK ALONG THE LENGTH THEREOF, AND HAVING A CENTRAL PORTION ENGAGEABLE AT ONE SIDE THEREOF WITH THE INTERNAL CONTOUR OF ONE OF SAID TANK ENDS, SAID ONE DIAPHRAGM SIDE INCLUDING A SERIES OF ELONGATED RIBS DIRECTLY ENGAGEABLE WITH THE INTERNAL CONTOUR OF SAID ONE TANK END AND EXTENDING GENERALLY AXIALLY OF SAID TANK AND CONVERGING NEAR THE PORT IN SAID ONE TANK END, AND EACH OPERATIVE TO SPACE THE ADJACENT NON-RIBBED PORTION OF THE DIAPHRAGM FROM THE INTERIOR SURFACE OF THE TANK TO VENT TO SUCH PORT ANY ENTRAPPED POCKET WHICH MAY TEND TO FORM.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |