Patent US2419496A successfully refreshed from Google Patents.
US2656263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector for liquid storage tanks
Assignee: Chicago Bridge and Iron Co
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Filing: 1950-08-15
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Granted: 1953-10-20
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Expires: 1970-08-15
Abstract
No abstract record available.
Inventors
- 👤 Lyle V Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:49
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A FLUID STORAGE VESSEL COMPRISING A STATIONARY LOWER PORTION HAVING A BOTTOM AND SIDEWALLS, A ROOF MOVABLE VERTICALLY RELATIVE TO THE LOWER PORTION TO PROVIDE A VARIABLE VOLUME GAS SPACE WITHIN THE VESSEL AND AN ARTICULATED CONNECTOR BETWEEN THE SIDE WALLS AND ROOF, SAID CONNECTOR BEING FORMED OF A PLURALITY OF SEPARATE PLATES PLACED IN SIDE-BY-SIDE RELATION ABOUT THE UPPER PORTION OF THE SIDWALLS, EACH PLATE BEING BENT UPON ITSELF TO FORM A PAIR OF OPPOSED FLAT PORTIONS JOINED BY A CURVED PORTION, EACH PLATE BEING CONTINUOUS FROM SIDEWALL TO ROOF WITH SAID FLAT PORTIONS BEING JOINED RESPECTIVEL TO THE ROOF AND SIDEWALLS SO THAT MOVEMENT OF THE ROOF CAUSES BENDING IN SAID PLATES AND FABRIC SEALING MEANS BETWEEN EACH ADJACENT PAIR OF PLATES MAKING THE CONNECTOR GASTIGHT.
Claim 2
Dependent Claim
128 words
A FLUID STORAGE VESSEL COMPRISING A STATIONARY LOWER PORTION HAVING A BOTTOM AND SIDEWALLS, A ROOF MOVABLE VERTICALLY RELATIVE TO THE LOWER PORTION TO PROVIDE A VARIABLE VOLUME GAS SPACE WITHIN THE VESSEL AND AN ARTICULATED CONNECTOR BETWEEN THE SIDE WALLS AND ROOF, SAID CONNECTOR BEING FORMED OF A PLURALITY OF SEPARATE PLATES PLACED IN SIDE-BY-SIDE RELATION ABOUT THE UPPER PORTION OF THE SIDWALLS, EACH PLATE BEING BENT UPON ITSELF TO FORM A PAIR OF OPPOSED FLAT PORTIONS JOINED BY A CURVED PORTION, EACH PLATE BEING CONTINUOUS FROM SIDEWALL TO ROOF WITH SAID FLAT PORTIONS BEING JOINED RESPECTIVEL TO THE ROOF AND SIDEWALLS SO THAT MOVEMENT OF THE ROOF CAUSES BENDING IN SAID PLATES AND FABRIC SEALING MEANS BETWEEN EACH ADJACENT PAIR OF PLATES MAKING THE CONNECTOR GASTIGHT.
References Cited (Backward Citations)
US1693468A
Cited
US2308479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |