Patent US1375857A successfully refreshed from Google Patents.
US3076575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum containers
Assignee: Individual
•
Filing: 1961-05-17
•
Granted: 1963-02-05
•
Expires: 1981-05-17
Abstract
No abstract record available.
Inventors
- 👤 Leslie-Smith Laurance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:30
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/02; Y; Y10; Y10S; Y10S215/00; Y10S215/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A CANISTER FOR A VACUUM FLASK, THE SAID CANISTER COMPRISING AT LEAST TWO THIN WALLED HOLLOW BODY MEMBER FORMED OF A PLASTIC, AND AN ANNULAR COUPLING MEMBER ENGAGEABLE WITH EACH OF TWO ADJACENT BODY MEMBERS, MEANS FOR SECURING THE ANNULAR COUPLING MEMBER TO ONE BODY MEMBER, MEANS FOR SECURING THE COUPLING MEMBER TO THE OTHER BODY MEMBER TO THEREBY SECURE THE ADJACENT BODY MEMBERS TOGETHER IN SUBSTANTIALLY FIXED AXIAL RELATIONSHIP, THE SAID COUPLING MEMBER HAVING A WALL THICKNESS SUBSTANTIALLY GREATER THAN THE WALL THICKNESS OF THE
Claim 2
Dependent Claim
86 words
A CANISTER FOR A VACUUM FLASK, THE SAID CANISTER COMPRISING AT LEAST TWO THIN WALLED HOLLOW BODY MEMBER FORMED OF A PLASTIC, AND AN ANNULAR COUPLING MEMBER ENGAGEABLE WITH EACH OF TWO ADJACENT BODY MEMBERS, MEANS FOR SECURING THE ANNULAR COUPLING MEMBER TO ONE BODY MEMBER, MEANS FOR SECURING THE COUPLING MEMBER TO THE OTHER BODY MEMBER TO THEREBY SECURE THE ADJACENT BODY MEMBERS TOGETHER IN SUBSTANTIALLY FIXED AXIAL RELATIONSHIP, THE SAID COUPLING MEMBER HAVING A WALL THICKNESS SUBSTANTIALLY GREATER THAN THE WALL THICKNESS OF THE
References Cited (Backward Citations)
US1218036A
Cited
US2484309A
Cited
US2493380A
Cited
FR1149650A
Cited
US2954888A
Cited
FR1202424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |