US3243070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cap for polystyrene container
Assignee: Dow Chemical Co
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Filing: 1964-12-02
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Granted: 1966-03-29
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Wallis I Hoyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:41
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/10; B65D41/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE COMBINATION OF A CONTAINER AND A CLOSURE COMPRISING A CONTAINER MADE OF A SYNTHETIC THERMOPLASTIC SELECTED FROM THE GROUP CONSISTING OF POLYSTYRENE, POLYOLEFIN, AND POLYVINYL CHORIDE AND A MANUALLY CRIMPABLE, METALLIC CLOSURE FOR THE CONTAINER COMPRISING A METAL FOIL ADHERING TO A LAYER OF A COPOLYMER OF ETHYLENE AND A MEMBER OF THE GROUP CONSISTING OF VINYL ACETATE, ETHYL ACRYLATE, ISOBUTYL ACRYLATE, AND ACRYLIC ACID SAID LAYER BEING HEAT SEALED IN SAID CONTAINER.
Claim 2
Dependent Claim
74 words
THE COMBINATION OF A CONTAINER AND A CLOSURE COMPRISING A CONTAINER MADE OF A SYNTHETIC THERMOPLASTIC SELECTED FROM THE GROUP CONSISTING OF POLYSTYRENE, POLYOLEFIN, AND POLYVINYL CHORIDE AND A MANUALLY CRIMPABLE, METALLIC CLOSURE FOR THE CONTAINER COMPRISING A METAL FOIL ADHERING TO A LAYER OF A COPOLYMER OF ETHYLENE AND A MEMBER OF THE GROUP CONSISTING OF VINYL ACETATE, ETHYL ACRYLATE, ISOBUTYL ACRYLATE, AND ACRYLIC ACID SAID LAYER BEING HEAT SEALED IN SAID 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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |