Patent US2954271A successfully refreshed from Google Patents.
US2954271A
Expired / Lapsed
US
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Process for producing shaped articles using sonic vibrations to enhance solidification
Assignee: EIDP Inc
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Filing: 1958-03-10
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Granted: 1960-09-27
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Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Cenzato Lorenzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:19
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D01D5/092; D01D11/00; D01D5/04; D06; D06B; D06B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR PREPARING A SHAPED ARTICLE FROM AN ORGANIC FILM-FORMING MATERIAL WHICH COMPRISES EXTRUDING A FILM-FORMING MATERIAL WHICH COMPRISES EXTRUDING THE SHAPED ARTICLE, PASSING THE SAID ARTICLE WHILE IN A PLASTIC STATE THROUGH A CHAMBER CONTAINING A GASEOUS MEDIUM, SIMULTANEOUSLY GENERATING A LOW FREQUENCY SOUND WAVES IN THE RANGE FROM ABOUT 10 TO 1000 CYCLES PER SECOND AT A POINT REMOTE FROM SAID SHAPED ARTICLE AND THEREAFTER PASSING SAID SHAPED ARTICLE TO A COLLECTING DEVICE.
Claim 2
Dependent Claim
76 words
A PROCESS FOR PREPARING A SHAPED ARTICLE FROM AN ORGANIC FILM-FORMING MATERIAL WHICH COMPRISES EXTRUDING A FILM-FORMING MATERIAL WHICH COMPRISES EXTRUDING THE SHAPED ARTICLE, PASSING THE SAID ARTICLE WHILE IN A PLASTIC STATE THROUGH A CHAMBER CONTAINING A GASEOUS MEDIUM, SIMULTANEOUSLY GENERATING A LOW FREQUENCY SOUND WAVES IN THE RANGE FROM ABOUT 10 TO 1000 CYCLES PER SECOND AT A POINT REMOTE FROM SAID SHAPED ARTICLE AND THEREAFTER PASSING SAID SHAPED ARTICLE TO A COLLECTING DEVICE.
References Cited (Backward Citations)
US1952877A
Cited
US2121802A
Cited
FR806030A
Cited
US2273105A
Cited
US2542301A
Cited
US2645031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |