US2520482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated conduit
Assignee: ExxonMobil Oil Corp
•
Filing: 1946-05-16
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Granted: 1950-08-29
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Expires: 1966-05-16
Abstract
No abstract record available.
Inventors
- 👤 Utterback Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:03
CPC Classifications
F; F16; F16L; F16L51/00; B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; C; C10; C10G; C10G9/00; C10G9/28; C10G9/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN COMBINATION, A FIRST VESSEL, A SHELL ABOUT SAID VESSEL, MEANS TO INTRODUCE A PRESSURING GAS BETWEEN SAID FIRST VESSEL AND SAID SHELL, A SECOND VESSEL AND AN INSULATED TRANSFER LINE BETWEEN SAID VESSELS COMPRISING AN INNER PIPE COMMUNICATING AT ITS ENDS WITH THE RESPECTIVE INTERIORS OF SAID VESSELS, AN OUTER PIPE ABOUT AND SPACED FROM SAID INNER PIPE DEFINING AN ANNULAR SPACE COMMUNICATING AT ONE END WITH THE SPACE BETWEEN SAID FIRST VESSEL AND SAID SHELL AND COMMUNICATING AT THE OTHER END WITH SAID SECOND VESSEL, AND A PLURALITY OF FINS ABOUT SAID INNER PIPE SPACED ALONG A PORTION OF THE LENGTH OF SAID ANNULAR SPACE, EACH BEING OF THE FORM OF A
Claim 2
Dependent Claim
114 words
IN COMBINATION, A FIRST VESSEL, A SHELL ABOUT SAID VESSEL, MEANS TO INTRODUCE A PRESSURING GAS BETWEEN SAID FIRST VESSEL AND SAID SHELL, A SECOND VESSEL AND AN INSULATED TRANSFER LINE BETWEEN SAID VESSELS COMPRISING AN INNER PIPE COMMUNICATING AT ITS ENDS WITH THE RESPECTIVE INTERIORS OF SAID VESSELS, AN OUTER PIPE ABOUT AND SPACED FROM SAID INNER PIPE DEFINING AN ANNULAR SPACE COMMUNICATING AT ONE END WITH THE SPACE BETWEEN SAID FIRST VESSEL AND SAID SHELL AND COMMUNICATING AT THE OTHER END WITH SAID SECOND VESSEL, AND A PLURALITY OF FINS ABOUT SAID INNER PIPE SPACED ALONG A PORTION OF THE LENGTH OF SAID ANNULAR SPACE, EACH BEING OF THE FORM OF A
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |