Patent US3331522A successfully refreshed from Google Patents.
US3331522A
Expired / Lapsed
US
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Metal vacuum bottle with plastic jacket
Assignee: Aladdin Industries LLC
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Filing: 1965-12-27
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Granted: 1967-07-18
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 John A Bridges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:12
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/02; A47J41/022; A47J41/028; A47J41/024; A47J41/026; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S220/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A VACUUM BOTTLE, COMPRISING THE COMBINATION OF A VACUUM INSULATED RECEPTACLE HAVING A BOTTLE-SHAPED INNER SHELL WITH A REDUCED UPPER END PORTION, SAID INNER SHELL BEING MADE OF A SOFT EASILY WORKED METAL WHICH IS HIGHLY RESISTANT TO CORROSION, SAID RECEPTACLE HAVING A METAL OUTER SHELL RECEIVED AROUND AND SPACED OUTWARDLY FROM SAID INNER SHELL, SAID RECEPTACLE HAVING A GENERALLY TUBULAR NECK MEMBER CONNECTED BETWEEN SAID INNER AND OUTER SHELLS, SAID NECK MEMBER EXTENDING UPWARDLY FROM SAID REDUCED PORTION OF SAID INNER SHELL, SAID NECK MEMBER BEING ALONG AND THIN-WALLED TO MINIMIZE HEAT TRANSFER ALONG SAID NECK MEMBER, SAID NECK MEMBER BEING MADE OF A CORROSION RESISTANT METAL HAVING A SUBSTANTIALLY LOWER HEAT CONDUCTIVITY THAN THE METAL OF SAID INNER SHELL, SAID RECEPTACLE HAVING AN EVACUATED SPACE BETWEEN SAID INNER AND OUTER SHELLS, A PLASTIC JACKET RECEIVED AROUND AND FULLY ENCLOSING SAID OUTER SHELL, AND MEANS FORMING A SEAL BETWEEN THE UPPER END OF SAID PLASTIC JACKET AND THE UPPER END PORTION OF SAID NECK MEMBER.
Claim 2
Dependent Claim
166 words
A VACUUM BOTTLE, COMPRISING THE COMBINATION OF A VACUUM INSULATED RECEPTACLE HAVING A BOTTLE-SHAPED INNER SHELL WITH A REDUCED UPPER END PORTION, SAID INNER SHELL BEING MADE OF A SOFT EASILY WORKED METAL WHICH IS HIGHLY RESISTANT TO CORROSION, SAID RECEPTACLE HAVING A METAL OUTER SHELL RECEIVED AROUND AND SPACED OUTWARDLY FROM SAID INNER SHELL, SAID RECEPTACLE HAVING A GENERALLY TUBULAR NECK MEMBER CONNECTED BETWEEN SAID INNER AND OUTER SHELLS, SAID NECK MEMBER EXTENDING UPWARDLY FROM SAID REDUCED PORTION OF SAID INNER SHELL, SAID NECK MEMBER BEING ALONG AND THIN-WALLED TO MINIMIZE HEAT TRANSFER ALONG SAID NECK MEMBER, SAID NECK MEMBER BEING MADE OF A CORROSION RESISTANT METAL HAVING A SUBSTANTIALLY LOWER HEAT CONDUCTIVITY THAN THE METAL OF SAID INNER SHELL, SAID RECEPTACLE HAVING AN EVACUATED SPACE BETWEEN SAID INNER AND OUTER SHELLS, A PLASTIC JACKET RECEIVED AROUND AND FULLY ENCLOSING SAID OUTER SHELL, AND MEANS FORMING A SEAL BETWEEN THE UPPER END OF SAID PLASTIC JACKET AND THE UPPER END PORTION OF SAID NECK MEMBER.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |