Patent US3616155A successfully refreshed from Google Patents.
US3616155A
Expired / Lapsed
US
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Cellular laminate made from two thermoplastic sheets having polyvinylidene chloride coatings on facing sides of the sheets
Assignee: Sealed Air Corp
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Filing: 1968-06-26
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Granted: 1971-10-26
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Expires: 1988-06-26
Abstract
Abstract An improved cellular product formed of multiply laminates wherein at least one of the laminates is embossed and the other of the laminates seals the embossments, each of the laminates consisting of at least a plastic base material and a gasimpervious coating and wherein at least one of the coatings is protected by the base material.
Inventors
- 👤 Marc A Chavannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:49
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/30; B32B27/302; B32B27/304; B32B27/32; B32B3/00; B32B3/26; B32B3/30; B32B2255/00; B32B2255/10; B32B2255/26; B32B2305/00; B32B2305/02; B32B2307/00; B32B2307/30; B32B2307/31; B32B2307/70; B32B2307/724; B32B2307/7242; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24521
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
A cellular product according to claim 1 wherein at least one of said sheets has plural preformed layers heat-sealed together with said gas-impervious material interposed therebetween.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |