US3189243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers made from plastic foam sheet
Assignee: Haveg Industries Inc
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Filing: 1963-05-21
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Granted: 1965-06-15
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Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 John H Lux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:19
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/022; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/50; B29C44/505; B32; B32B; B32B27/00; C; C08; C08J; C08J9/00; C08J9/34; B29K; B29K2105/00; B29K2105/04; B29K2105/043; B29L; B29L2009/00; B29L2031/00; B29L2031/712; B29L2031/7162; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A COLLAPSIBLE CARTON FORMED BY FOLDING A CARTON BLANK, CHARACTERIZED IN THAT THE BLANK CONSISTS OF (1) A UNIFORM FOAM, THERMOPLASTIC RESIN CORE, (2) A TOUGH, NON-POROUS, UNFOAMED RESIN OUTER SKIN, AND (3) A TOUGH, NON-POROUS, UNFOAMED RESIN INNER SKIN, SAID CORE BEING INTEGRAL WITH SAID SKINS AND COMPRISING 50 TO 90% OF THE TOTAL THICKNESS OF THE BLANK, THE SKIN WHICH FORMS THE CONVEX SURFACE ALONG THE FOLD LINES OF THE CARTON BEING 2 TO 5 TIMES THE THICKNESS OF THE SKIN FORMING THE CONCAVE SURFACE ALONG SAID FOLD LINES SAID SKIN BEING OF THE SAME MATERIAL AS THE FOAM.
Claim 2
Dependent Claim
101 words
A COLLAPSIBLE CARTON FORMED BY FOLDING A CARTON BLANK, CHARACTERIZED IN THAT THE BLANK CONSISTS OF (1) A UNIFORM FOAM, THERMOPLASTIC RESIN CORE, (2) A TOUGH, NON-POROUS, UNFOAMED RESIN OUTER SKIN, AND (3) A TOUGH, NON-POROUS, UNFOAMED RESIN INNER SKIN, SAID CORE BEING INTEGRAL WITH SAID SKINS AND COMPRISING 50 TO 90% OF THE TOTAL THICKNESS OF THE BLANK, THE SKIN WHICH FORMS THE CONVEX SURFACE ALONG THE FOLD LINES OF THE CARTON BEING 2 TO 5 TIMES THE THICKNESS OF THE SKIN FORMING THE CONCAVE SURFACE ALONG SAID FOLD LINES SAID SKIN BEING OF THE SAME MATERIAL AS THE FOAM.
References Cited (Backward Citations)
US2552641A
Cited
US2905350A
Cited
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 |