US3189208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closures, more especially for containers
Assignee: Viscose Development Co Ltd
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Filing: 1964-03-16
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Granted: 1965-06-15
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jowett George Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:31
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/54; B29; B29C; B29C61/00; B29C61/06; B29C61/0608; B65D41/02; B65D41/24; B29K; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/258; B29L; B29L2031/00; B29L2031/56; B29L2031/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A SHAPED STRUCTURE FOR THE PRODUCTION IN SITU OF A CLOSURE FOR A CONTAINER, SAID STRUCTURE CONSISTING OF A LENGTH OF HEAT-SHRINKABLE THERMOPLASTIC TUBING IN FLAT FORM AND CLOSED AT ONE END BY MEANS OF A LINE HEAT-SEAL EXTENDING ACROSS THE FULL WIDTH OF THE FLAT TUBING, THE TUBING BEING OF SUCH TRANSVERSE DIMENSION IN RELATION TO THE CONTAINER TO BE CLOSED THAT THE SAID STRUCTURE CAN BE PLACED ONVER AN OPENING OF THE CONTAINER AND SHRUNK TO FIT THE SAME, AND THE PROFILE OF THE HEAT SEALED END OF THE TUBING BEING GENERALLY CONCAVE TOWARDS THE INTERIOR THEREOF SO THAT WHEN THE STRUCTURE IS SO SHRUNK THE CLOSED END THEREOF WILL CONFORM TO THE OUTLINE OF THE CONTAINER.
Claim 2
Dependent Claim
119 words
A SHAPED STRUCTURE FOR THE PRODUCTION IN SITU OF A CLOSURE FOR A CONTAINER, SAID STRUCTURE CONSISTING OF A LENGTH OF HEAT-SHRINKABLE THERMOPLASTIC TUBING IN FLAT FORM AND CLOSED AT ONE END BY MEANS OF A LINE HEAT-SEAL EXTENDING ACROSS THE FULL WIDTH OF THE FLAT TUBING, THE TUBING BEING OF SUCH TRANSVERSE DIMENSION IN RELATION TO THE CONTAINER TO BE CLOSED THAT THE SAID STRUCTURE CAN BE PLACED ONVER AN OPENING OF THE CONTAINER AND SHRUNK TO FIT THE SAME, AND THE PROFILE OF THE HEAT SEALED END OF THE TUBING BEING GENERALLY CONCAVE TOWARDS THE INTERIOR THEREOF SO THAT WHEN THE STRUCTURE IS SO SHRUNK THE CLOSED END THEREOF WILL CONFORM TO THE OUTLINE OF THE CONTAINER.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |