US3277220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making composite foamed plastic containers
Assignee: OI Glass Inc
•
Filing: 1963-02-04
•
Granted: 1966-10-04
•
Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Charles E Plymale
- 👤 Carlton A Richie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:47
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/16; B29K; B29K2105/00; B29K2105/04; B29K2105/048; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
THE METHOD OF FORMING A COMPOSITE INTEGRAL THERMOPLASTIC RELATIVELY RIGID CONTAINER FOR PACKAGING A PRODUCT, SAID CONTAINER INCLUDING A SOLID DENSE RELATIVELY FLEXIBLE THERMOPLASTIC LINER HAVING AN INNER SURFACE AND AN OUTER SURFACE AND A CONTINUOUS CELLULAR LAYER OF EXPANDED AND FUSED PLASTIC BEADS, SAID LAYER BEING SUBSTANTIALLY THICKER THAN SAID LINER, SAID METHOD COMPRISING THE STEPS OF PLACING ONE OF SAID SURFACES OF SAID THERMOPLASTIC LINER, HAVING SAID ONE SURFACE IN ITS ULTIMATE CONFIGURATION, INTO ENTIRE CONTACT WITH A MOLD MEMBER OF AN OPENED TWO-PART MOLD HAVING TWO MOLD MEMBER FORMING WHEN CLOSED A MOLD CAVITY, SAID CONTACT BEING WITH THE MOLDING SURFACE OF SAID MKOLD MEMBER, THEREAFTER COVERING AT LEAST IN PART THE OTHER OF SAID SURFACES OF THE LINER WITH EXPANDABLE PLASTIC BEADS, THEN PROVIDDING RELATIVE MOVEMENT
Claim 2
Independent Claim
130 words
THE METHOD OF FORMING A COMPOSITE INTEGRAL THERMOPLASTIC RELATIVELY RIGID CONTAINER FOR PACKAGING A PRODUCT, SAID CONTAINER INCLUDING A SOLID DENSE RELATIVELY FLEXIBLE THERMOPLASTIC LINER HAVING AN INNER SURFACE AND AN OUTER SURFACE AND A CONTINUOUS CELLULAR LAYER OF EXPANDED AND FUSED PLASTIC BEADS, SAID LAYER BEING SUBSTANTIALLY THICKER THAN SAID LINER, SAID METHOD COMPRISING THE STEPS OF PLACING ONE OF SAID SURFACES OF SAID THERMOPLASTIC LINER, HAVING SAID ONE SURFACE IN ITS ULTIMATE CONFIGURATION, INTO ENTIRE CONTACT WITH A MOLD MEMBER OF AN OPENED TWO-PART MOLD HAVING TWO MOLD MEMBER FORMING WHEN CLOSED A MOLD CAVITY, SAID CONTACT BEING WITH THE MOLDING SURFACE OF SAID MKOLD MEMBER, THEREAFTER COVERING AT LEAST IN PART THE OTHER OF SAID SURFACES OF THE LINER WITH EXPANDABLE PLASTIC BEADS, THEN PROVIDDING RELATIVE MOVEMENT
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |