US3159130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating storage tank
Assignee: Shell USA Inc
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Filing: 1963-01-17
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Granted: 1964-12-01
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Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Vos Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:38
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/78; B63; B63B; B63B22/00; B63B22/02; B63B22/021; B63B35/00; B63B35/44; B63B2035/4486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A FLOATING TANK OF THE DISPLACEMENT TYPE FOR THE STORAGE OF A FIRST LIQUID HAVING A SPECIFIC GRAVITY LOWER THAN THAT OF THE SUPPORTING LIQUID COMPRISING: A STORAGE RESERVOIR FOR STORING SAID FIRST LIQUID, SAID STORAGE RESERVOIR HAVING AT ITS LOWEST LEVEL AT LEAST ONE OPENING FOR DIRECT COMMUNICATION BETWEEN THE INTERIOR OF SAID STORAGE RESERVOIR AND THE SUPPORTING LIQUID; SAID STORAGE RESERVOIR CONSISTING OF AT LEAST THREE UPWARDLY EXTENDING TUBULAR ELEMENTS ARRANGED ON DIFFERENT SIDES OF THE VERTICAL CENTER LINE OF SAID TANK, AND LATERALLY-EXTENDING TUBULAR CONDUIT MEANS INTERCONNECTING THE LOWER SUBMERGED PORTIONS OF SAID UPWARDLY EXTENDING ELEMENTS AND IN OPEN COMMUNICATION THEREWITH, EACH OF SAID UPWARDLY EXTENDING ELEMENTS HAVING AN OPENING AT ITS UPPER END WHICH PERMITS PRESSURE COMMUNICATION BETWEEN THE ATMOSPHERE AND THE CONTENTS OF THE RESERVOIR; A SEPARATE TRIMMING CHAMBER INTEGRAL WITH EACH OF SAID UPWARDLY EXTENDING ELEMENTS; AND MEANS FOR SUPPLYING AND DISCHARGING LIQUID FROM SAID RESERVOIR VIA SAID UPWARDLY EXTENDING ELEMENTS.
Claim 2
Dependent Claim
157 words
A FLOATING TANK OF THE DISPLACEMENT TYPE FOR THE STORAGE OF A FIRST LIQUID HAVING A SPECIFIC GRAVITY LOWER THAN THAT OF THE SUPPORTING LIQUID COMPRISING: A STORAGE RESERVOIR FOR STORING SAID FIRST LIQUID, SAID STORAGE RESERVOIR HAVING AT ITS LOWEST LEVEL AT LEAST ONE OPENING FOR DIRECT COMMUNICATION BETWEEN THE INTERIOR OF SAID STORAGE RESERVOIR AND THE SUPPORTING LIQUID; SAID STORAGE RESERVOIR CONSISTING OF AT LEAST THREE UPWARDLY EXTENDING TUBULAR ELEMENTS ARRANGED ON DIFFERENT SIDES OF THE VERTICAL CENTER LINE OF SAID TANK, AND LATERALLY-EXTENDING TUBULAR CONDUIT MEANS INTERCONNECTING THE LOWER SUBMERGED PORTIONS OF SAID UPWARDLY EXTENDING ELEMENTS AND IN OPEN COMMUNICATION THEREWITH, EACH OF SAID UPWARDLY EXTENDING ELEMENTS HAVING AN OPENING AT ITS UPPER END WHICH PERMITS PRESSURE COMMUNICATION BETWEEN THE ATMOSPHERE AND THE CONTENTS OF THE RESERVOIR; A SEPARATE TRIMMING CHAMBER INTEGRAL WITH EACH OF SAID UPWARDLY EXTENDING ELEMENTS; AND MEANS FOR SUPPLYING AND DISCHARGING LIQUID FROM SAID RESERVOIR VIA SAID UPWARDLY EXTENDING ELEMENTS.
References Cited (Backward Citations)
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |