Patent US3579729A successfully refreshed from Google Patents.
US3579729A
Expired / Lapsed
US
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Apparatus for extruding net-like structrures
Assignee: FMC Corp
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Filing: 1969-05-16
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Granted: 1971-05-25
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Expires: 1989-05-16
Abstract
Abstract APPARATUS IN WHICH FLOWABLE STRAND-FORMING MATERIAL IS EXTRUDED THROUGH RECESSES FORMED ALONG OPPOSITE EDGES OF RELATIVELY MOVABLE PLATES AND INCLUDING MEANS FOR INTERLACING STRANDS FORMED FROM SUCH STEAMS AND/OR TWISTING THE EXTRUDED STEAMS ALTERNATELY WITH RELATIVE MOVEMENT OF THE PLATES TO PROVIDE NET-LIKE STRUCTURES.
Inventors
- 👤 Theodore H Fairbanks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:56
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/345; B29C48/03; B29C48/05; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C48/13; B29C48/301; B29L; B29L2028/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |