US3022541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing indicia in film by modification of film opacity
Assignee: Phillips Petroleum Co
•
Filing: 1960-02-05
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Granted: 1962-02-27
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Expires: 1980-02-05
Abstract
No abstract record available.
Inventors
- 👤 Paul L Passley
- 👤 Jack F Eberle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:48
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B29; B29C; B29C67/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24736
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD WHICH COMPRISES STREACHING A FILM COMPRISING A MIXTURE OF AN ETHYLENE/BUTENE-1 COPOLYMER AND POLYISOBUTYLENE, THE AMOUNT OF SAID COPOLYMER BEING 50 TO 90 PARTS BY WEIGHT PER 100 PARTS OF THE MIXTURE, THE AMOUNT OF STREACHING BEING SUFFICIENT TO CAUSE A SUBSTANTIAL REDUCTION IN THE WIDTH OF THE FILM AND TO INCREASE THE OPACITY THEREOF SUPPORTING SAID STRETCHED FILM UPON A SUBSTANTIALLY NON-YIELDING SURFACE, AND PRODUCING INDICIA BY MARKING WITH A STYLUS USING A PRESSURES OF 500 TO 20,000 P.S.I.G., SAID INDICIA BEING TRANSPARENT.
Claim 2
Independent Claim
86 words
A METHOD WHICH COMPRISES STREACHING A FILM COMPRISING A MIXTURE OF AN ETHYLENE/BUTENE-1 COPOLYMER AND POLYISOBUTYLENE, THE AMOUNT OF SAID COPOLYMER BEING 50 TO 90 PARTS BY WEIGHT PER 100 PARTS OF THE MIXTURE, THE AMOUNT OF STREACHING BEING SUFFICIENT TO CAUSE A SUBSTANTIAL REDUCTION IN THE WIDTH OF THE FILM AND TO INCREASE THE OPACITY THEREOF SUPPORTING SAID STRETCHED FILM UPON A SUBSTANTIALLY NON-YIELDING SURFACE, AND PRODUCING INDICIA BY MARKING WITH A STYLUS USING A PRESSURES OF 500 TO 20,000 P.S.I.G., SAID INDICIA BEING TRANSPARENT.
References Cited (Backward Citations)
US2352725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |