US3632068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Woven wire fabric
Assignee: Jwi Ltd
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Filing: 1969-11-21
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Granted: 1972-01-04
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Expires: 1989-11-21
Abstract
Abstract A woven, phosphor bronze, wire fabric having weft strands of cylindrical cross section and warp strands of rectangular and slightly oval cross section, the warp and weft strands being made of 7 to 10 percent phosphor bronze material, with both the warp and weft strands having a hard temper in order to provide a wire fabric having improved flexural fatigue properties.
Inventors
- 👤 Donald M Weir
- 👤 Charles H Johnson
- 👤 John G Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:40
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/005; D; D21; D21F; D21F1/00; D21F1/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
32 words
A woven wire fabric as claimed in claim 1, wherein both the warp and weft strands are made of phosphor bronze material having a tin content ranging from 7 to 10 percent.
Claim 2
Dependent Claim
21 words
A woven wire fabric as claimed in claim 2, wherein the warp strands have a grain size not exceeding 2 microns.
Claim 3
Dependent Claim
20 words
A woven wire fabric as claimed in claim 2, wherein the weft strands have a grain size of 4 microns.
Claim 4
Dependent Claim
23 words
A woven wire fabric as claimed in claim 2, wherein the ratio of width to thickness of the oval warp strands is 1.1:1.
Claim 5
Dependent Claim
65 words
A woven wire fabric as claimed in claim 1, wherein the ratio of width to thickness of the oval warp strands is 1.1:1, the weft strands having a grain size of 4 microns, the warp strands having a grain size of 1.5 microns, and the weft and warp strands being made of phosphor bronze material having a tin content ranging from 8 to 10 percent.
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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |