US3095103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for containers
Assignee: WR Grace and Co
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Filing: 1960-11-23
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Granted: 1963-06-25
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 John W Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:15
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN COMBINATION, A CONTAINER HAVING A LIP SURROUNDING AN OPENING, AND A CLOSURE FOR SAID CONTAINER, SAID CLOSURE COMPRISING A LAYER OF HEAT SHRINKABLE FILM OF A SIZE COVERING THE ENTIRE OPENING AND LIP OF THE CONTAINER, SAID LAYER OF HEAT SHRINKABLE FILM HAVING ITS EDGES SHRUNK ABOUT SAID LIP, AND A LAYER OF NON-HEAT SHRINKABLE MATERIAL CONFORMED AND HELD IN POSITION AT ITS EDGES TO THE LIP OF THE CONTAINER BY THE LAYER OF HEAT SHRINKABLE FILM, SAID NON-HEAT SHRINKABLE LAYER BEING METAL PARTICLES VACUUM-METALIZED TO THE SURFACE OF THE HEAT SHRINKABLE FILM AND BEING SHINY ACROSS THE TOP OF THE CLOSURE AND DULL ON THE EDGE PORTION WHICH HAS BEEN CONFORMED TO THE LIP BY THE SHRUNK EDGES OF THE FILM.
Claim 2
Dependent Claim
123 words
IN COMBINATION, A CONTAINER HAVING A LIP SURROUNDING AN OPENING, AND A CLOSURE FOR SAID CONTAINER, SAID CLOSURE COMPRISING A LAYER OF HEAT SHRINKABLE FILM OF A SIZE COVERING THE ENTIRE OPENING AND LIP OF THE CONTAINER, SAID LAYER OF HEAT SHRINKABLE FILM HAVING ITS EDGES SHRUNK ABOUT SAID LIP, AND A LAYER OF NON-HEAT SHRINKABLE MATERIAL CONFORMED AND HELD IN POSITION AT ITS EDGES TO THE LIP OF THE CONTAINER BY THE LAYER OF HEAT SHRINKABLE FILM, SAID NON-HEAT SHRINKABLE LAYER BEING METAL PARTICLES VACUUM-METALIZED TO THE SURFACE OF THE HEAT SHRINKABLE FILM AND BEING SHINY ACROSS THE TOP OF THE CLOSURE AND DULL ON THE EDGE PORTION WHICH HAS BEEN CONFORMED TO THE LIP BY THE SHRUNK EDGES OF THE FILM.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |