US3384692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing square-mesh net structure
Assignee: EIDP Inc
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Filing: 1962-12-06
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Granted: 1968-05-21
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Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 James C Galt
- 👤 Christian B Lundsager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/301; B29C48/03; B29C48/05; B29C48/09; B29C48/10; B29C48/13; B29L; B29L2028/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD OF MANUFACTURING AN INTEGRAL TUBULAR PLASTIC NET-LIKE STRUCTURE WHICH COMPRISES EXTRUDING A PLURALITY OF SUBSTANTIALLY PARALLEL STREAMS OF PLASTIC SPACED FROM EACH OTHER AND DISPOSED IN THE FORM OF A CIRCLE; PERIODICALLY FORMING STRANDS OF PLASTIC IN THE FORM OF RINGS TRANSVERSE TO THE DIRECTION OF EXTRUSION ADJACENT TO SAID PARALLEL STREAMS AS SAID STREAMS EMERGE FROM THEIR ORIFICES; AND EXTRUDING UNITARY INTERSECTIONS BETWEEN SAID RINGS AND THE PARALLEL STREAMS WHEREBY SAID RINGS ARE ATTACHED TO SAID STREAMS AT SAID INTERSECTIONS.
Claim 2
Independent Claim
83 words
A METHOD OF MANUFACTURING AN INTEGRAL TUBULAR PLASTIC NET-LIKE STRUCTURE WHICH COMPRISES EXTRUDING A PLURALITY OF SUBSTANTIALLY PARALLEL STREAMS OF PLASTIC SPACED FROM EACH OTHER AND DISPOSED IN THE FORM OF A CIRCLE; PERIODICALLY FORMING STRANDS OF PLASTIC IN THE FORM OF RINGS TRANSVERSE TO THE DIRECTION OF EXTRUSION ADJACENT TO SAID PARALLEL STREAMS AS SAID STREAMS EMERGE FROM THEIR ORIFICES; AND EXTRUDING UNITARY INTERSECTIONS BETWEEN SAID RINGS AND THE PARALLEL STREAMS WHEREBY SAID RINGS ARE ATTACHED TO SAID STREAMS AT SAID INTERSECTIONS.
References Cited (Backward Citations)
US3252181A
Cited
US3050070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |