Patent US4595112A successfully refreshed from Google Patents.
US4595112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal container
Assignee: Greif Bros Corp of Ohio Inc
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Filing: 1984-07-12
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Granted: 1986-06-17
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Expires: 2004-07-12
Abstract
Abstract The present invention pertains to a container for shipping and storing a substance at a constant temperature. The container is made up of an inner liner with outlets, an insulating shell enveloping the liner and a fiber drum which houses the shell and the liner. A slip-on removal cover is used to close the drum.
Inventors
- 👤 Robert A. Dubois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:32
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3876; B65D81/3886; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A thermal container comprising; a cylindrical liner blow molded from polyethylene and having a top with two necks and screw type plugs for closing said necks; an insulating shell formed of two mating members, molded from expanded polystryene, each member having a cavity and a hole, said members cooperating to enclose said liner in their mated position within the cavities, said holes corresponding to said necks; said members being further provided with inserts for closing said holes for covering said necks; a fiber drum for housing said shell, said drum being dimensioned to fit closely around said shell and further being provided with a circumferential bottom metal chime; and a fiber cover which fits over said drum to cover said shell.
Claim 2
Dependent Claim
121 words
A thermal container comprising; a cylindrical liner blow molded from polyethylene and having a top with two necks and screw type plugs for closing said necks; an insulating shell formed of two mating members, molded from expanded polystryene, each member having a cavity and a hole, said members cooperating to enclose said liner in their mated position within the cavities, said holes corresponding to said necks; said members being further provided with inserts for closing said holes for covering said necks; a fiber drum for housing said shell, said drum being dimensioned to fit closely around said shell and further being provided with a circumferential bottom metal chime; and a fiber cover which fits over said drum to cover said shell.
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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) | 1989-06-16 | 1989-12-16 | 1990-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-16 | 1993-12-16 | 1994-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-16 | 1997-12-16 | 1998-06-17 | $7700.00 | Window Closed / Lapsed |