Patent US3089804A successfully refreshed from Google Patents.
US3089804A
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Process and apparatus for producing plastic net
Assignee: Union Carbide Corp
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Filing: 1961-10-31
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Granted: 1963-05-14
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Carlos D Gutierrez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:03
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C48/13; B29L; B29L2028/00; Y; Y10; Y10S; Y10S264/00; Y10S264/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
A PROCESS FOR PRODUCING FLAT PLASTIC NET HAVING FINISHED EDGES COMPRISING EXTRUDING A PLURALITY OF PLASTIC STRAND-FORMING STREAMS ARRANGED IN AT LEAST ONE CIRCLE; IMPARTING RELATIVE ROTATIONAL MOVEMENT TO SAID STANDFORMING STREAMS IN A DIRECTION TRANSVERSE TO THE DIRECTION OF EXTRUSION SO AS TO PERIODICALLY CONTACT AND SEPARATE ADJACENT STRAND-FORMING STREAMS WHILE SAID STREAMS ARE IN A TACKY CONDITION, THEREBY FORMING A TUBULAR PLASTIC NET; EXTRUDING AT LEAST ONE DOUBLE STRAND-FORMING STREAM ONTO A SURFACE OF SAID TUBULAR NET WHILE SAID DOUBLE STAND-FORMING STREAM IS IN A TACKY CONDITION; AND SLITTING SAID DOUBLE STRAND-FORMING STREAM AND SAID TUBULAR NET ALONG THE MIDDLE OF SAID DOUBLE STRAND-FORMING STREAM.
References Cited (Backward Citations)
US567948A
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US2119081A
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US2766504A
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US2840117A
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US3025196A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |