US3248040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-wall flexible package
Assignee: EIDP Inc
•
Filing: 1964-09-18
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Granted: 1966-04-26
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Friedman Arthur Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:14
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A DOUBLE-WALL FLEXIBLE BAG FORMED OF AN OUTER WALL OF REGENERATED CELLULOSE FILM COATED ON BOTH SIDES WITH A VINYLIDENE CHLORIDE COPOLYMER COATING AND A FURTHER COATING ON ONE SIDE OF POLYETHYLENE AND AN INNER WALL OF POLYETHYLENE FILM, THE POLYETHYLENE COATED SIDE OF THE OUTER WALL FACING THE POLYETHYLENE INNER WALL.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |