US3230126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming a clear glossy laminate of polyethylene film and regenerated cellulose film having a moisture-proof coating on its surface remote from the polyethylene film
Assignee: Union Carbide Corp
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Filing: 1960-06-14
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Granted: 1966-01-18
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Expires: 1980-06-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph N Craver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:46
CPC Classifications
B; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
IN A PROCESS FOR FORMING A CLEAR LAMINATE OF POLYETHYLENE FILM AND REGENERATED CELLULOSE FILM HAVING ONLY ONE OF ITS SURFACES COATED WITH A MOISTURE-PROOF COATING, THE STEPS OF ROTATING A PAIR OF COUNTER-TOTATING PRESSURE ROLLS; ONE OF WHICH IS A RUBBER PRESSURE ROLL AND THE OTHER OF WHICH IS A CHILLED METAL ROLL, MAINTAINIG A SMOOTH SURFACED LAYER OF MATERIAL IN CONTACT WITHAT LEAST THAT PORTION OF THE PERIPHERAL SURACE OF THE RUBBER ROLL CAPABLE OF CONTACTING THE MOISUTE-PROOF COATING OF THE REGENERATED CELLULOSE FILM TO MAINTAIN THE CLARITY OF SAID MOISTURE-PROOF COATING, SAID SMOOTHED SURFACED LAYER OF MATERIAL BEING THINFLEXIBLE AND MADE FROM A MEMBER
References Cited (Backward Citations)
CA573067A
Cited
US2823141A
Cited
US2726171A
Cited
US2944586A
Cited
US2945261A
Cited
US2955970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |