Patent US3723218A successfully refreshed from Google Patents.
US3723218A
Expired / Lapsed
US
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Method for the manufacture of net and netlike products
Assignee: Leucadia Inc
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Filing: 1970-10-05
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Granted: 1973-03-27
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Expires: 1990-10-05
Abstract
Abstract A method and apparatus for the manufacture of net and netlike products from molten polymer is provided. The apparatus is comprised of at least two die members, one of which has one or more orifices therein for the extrusion of one or more strands or a sheet of polymer. The other die member has a single continuous orifice therein to which molten polymer is fed and from which the molten polymer is forcefully ejected at predetermined intervals to contact the extruding strands or sheet to cause bonding therebetween to form the product.
Inventors
- 👤 B Gaffney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:55
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/345; B29C48/03; B29C48/05; B29C48/09; B29C48/10; B29C48/13; B29C48/305; B29C48/307; B29C48/32; B29C48/33; B29C48/335; B29C48/07; B29C48/08; B29C48/11; B29C48/12; B29L; B29L2028/00; Y; Y10; Y10S; Y10S264/00; Y10S264/20; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24273; Y10T428/24298
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |