Patent US3423274A successfully refreshed from Google Patents.
US3423274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic wrapping materials having translucent areas and process therefor
Assignee: Union Carbide Corp
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Filing: 1965-08-30
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Granted: 1969-01-21
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Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 William J Lahm
- 👤 Peter Wilton
- 👤 Walter Egan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:09
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/02; B29C67/00; B29C71/0063; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2995/00; B29K2995/0018; B29K2995/0026; B29K2995/0037; B29K2995/0041; Y; Y10; Y10T; Y10T428/00; Y10T428/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A SELF-SUPPORTING SUBSTANTIALLY CRYSTALLINE POLYOLEFIN FILM EXHIBITING CLING CHARACTERISTICS AND HAVING A REPEATING PATTERN THEREIN SEGREGATING THE FILM INTO ALTERNATE AREAS OF GLOSSY, TRANSPARENT FILM AND HAZY, TRANSLUCENT FILM, SAID TRANSLUCENT AREAS BEING OF HIGHER CRYSTALLINITY AND ORIENTATION THAN SAID TRANSPARENT AREAS, WHEREBY THE HANDLEABILITY OF THE FILM IS SUBSTANTIALLY IMPROVED WITHOUT A SUBSTANTIAL SACRIFICE IN CLING PROPERTIES.
Claim 2
Dependent Claim
58 words
A SELF-SUPPORTING SUBSTANTIALLY CRYSTALLINE POLYOLEFIN FILM EXHIBITING CLING CHARACTERISTICS AND HAVING A REPEATING PATTERN THEREIN SEGREGATING THE FILM INTO ALTERNATE AREAS OF GLOSSY, TRANSPARENT FILM AND HAZY, TRANSLUCENT FILM, SAID TRANSLUCENT AREAS BEING OF HIGHER CRYSTALLINITY AND ORIENTATION THAN SAID TRANSPARENT AREAS, WHEREBY THE HANDLEABILITY OF THE FILM IS SUBSTANTIALLY IMPROVED WITHOUT A SUBSTANTIAL SACRIFICE IN CLING PROPERTIES.
References Cited (Backward Citations)
US3112300A
Cited
US3345447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |