Patent US3917889A successfully refreshed from Google Patents.
US3917889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded tubular net products
Assignee: Leucadia Inc
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Filing: 1973-07-02
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Granted: 1975-11-04
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Expires: 1993-07-02
Abstract
Abstract Extruded tubular net-like products are disclosed. The tubes comprise a plurality of spaced parallel longitudinal strands and a plurality of spaced transverse strands extruded integrally therewith. The transverse strands have variable spacing between them or are of variable width.
Inventors
- 👤 Bernard J Gaffney
- 👤 Ronald L Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:20
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/301; B29C48/03; B29C48/05; B29C48/09; B29C48/13; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92019; B29C2948/92076; B29C2948/92314; B29C2948/92504; B29C2948/92514; B29C2948/92571; B29C2948/92809; B29C2948/92819; B29C2948/92857; B29C2948/92904; B29C2948/92961; B29C48/07; B29C48/08; B29C48/10; B29C48/11; B29L; B29L2028/00; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10S264/81; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24942; Y10T428/2495
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
61 words
AN EXTRUDED PLASTIC NET-LIKE SEAMLESS TUBULAR STRUCTURE COMPRISING SUBSTANTIALLY PARALLEL SPACED SOLID LONGITUDINAL STRANDS AND SUBSTANTIALLY PARALLEL SPACED SOLID TRANSVERSE STRANDS SAID TRANSVERSE STRANDS BEING EXTRUDED INTERGAL WITH AND NORMAL TO SAID LONGITUDINAL STRANDS AND AT LEAST ONE OF SAID TRANSVERSE STRANDS BEING EXTRUDED OF A LARGE CROSS SECTIONAL DIMENSION THAN THE CROSS SECTIONAL DIMENSION OF OTHER OF THE TRANSVERSE STRANDS.
Claim 2
Dependent Claim
61 words
AN EXTRUDED PLASTIC NET-LIKE SEAMLESS TUBULAR STRUCTURE COMPRISING SUBSTANTIALLY PARALLEL SPACED SOLID LONGITUDINAL STRANDS AND SUBSTANTIALLY PARALLEL SPACED SOLID TRANSVERSE STRANDS SAID TRANSVERSE STRANDS BEING EXTRUDED INTERGAL WITH AND NORMAL TO SAID LONGITUDINAL STRANDS AND AT LEAST ONE OF SAID TRANSVERSE STRANDS BEING EXTRUDED OF A LARGE CROSS SECTIONAL DIMENSION THAN THE CROSS SECTIONAL DIMENSION OF OTHER OF THE TRANSVERSE STRANDS.
Claim 3
Dependent Claim
63 words
AN EXTRUDED PLASTIC NET-LIKE SEAMLESS TUBULAR STRUCTURE COMPRISING SUBSTANTIALLY PARALLEL SPACED SOLID LONGITUDINAL STRANDS AND SUBSTANTIALLY PARALLEL SPACED SOLID TRANSVERSE STRANDS SAID TRANSVERSE STRANDS BEING EXTRUDED INTERGAL WITH AND NORMAL TO SAID LONGITUDINAL STRANDS AT LEAST ONE OF SAID TRANSVERSE STRANDS BEING EXTRUDED HAVING A SPACING BETWEEN IT AND AN ADJACENT TRANSVERSE STRAND GREATER THAN THE SPACING OF OTHER OF THE TRANSVERSE STRANDS.
Claim 4
Dependent Claim
63 words
AN EXTRUDED PLASTIC NET-LIKE SEAMLESS TUBULAR STRUCTURE COMPRISING SUBSTANTIALLY PARALLEL SPACED SOLID LONGITUDINAL STRANDS AND SUBSTANTIALLY PARALLEL SPACED SOLID TRANSVERSE STRANDS SAID TRANSVERSE STRANDS BEING EXTRUDED INTERGAL WITH AND NORMAL TO SAID LONGITUDINAL STRANDS AT LEAST ONE OF SAID TRANSVERSE STRANDS BEING EXTRUDED HAVING A SPACING BETWEEN IT AND AN ADJACENT TRANSVERSE STRAND GREATER THAN THE SPACING OF OTHER OF THE TRANSVERSE STRANDS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |