US3305122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyed cargo container
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-09-04
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Granted: 1967-02-21
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Pringle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:06
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/082; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/16; F17C3/00; F17C3/02; F17C3/025; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
IN A CARGO CONTAINER SYSTEM FOR LIQUEFIED GASES AT CRYOGENIC TEMPERATURES INCLUDING AN INNER RIGID TANK SUPPORTED WITHIN AN OUTER SUPPORTING STRUCTURE BY KEY AND KEYWAY ARRANGEMENT, THE IMPROVEMENT IN WHICH INTERMEDIATE HEAT EXPANDABLE BEARING BLOCKS HAVING A PREDETERMINED COEFFICIENT OF THERMAL EXPANSION ARE INTERPOSED BETWEEN SAID KEY AND KEYWAY; SAID BEARING BLOCKS EACH HAVING A WIDTH EQUAL TO THE WIDTH OF SAID KEYWAY MULTIPLIED BY THE COEFFICIENT OF THERMAL EXPANSION OF THE MATERIAL FROM WHICH THE KEYWAY IS FABRICATED DIVIDED BY THE COEFFICIENT OF THERMAL EXPANSION OF THE MATERIAL
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |