Patent US3669781A successfully refreshed from Google Patents.
US3669781A
Expired / Lapsed
US
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Method of making fabric with a filler of greater area than the fabric
Assignee: Appleton Wire Works Corp
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Filing: 1970-03-30
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Granted: 1972-06-13
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Expires: 1990-03-30
Abstract
Abstract A puckered fabric is formed by stretching a plurality of rack filaments lying in parallel relationship with one another, depositing a stabilized non-woven web of filler material, sewing or stitching cross filaments over said filler and to the rack filaments and then shrinking the rack or cross filaments in at least one direction.
Inventors
- 👤 Charles A Lee
- 👤 Warren E Furbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:12
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/08; B01D39/083; B01D39/14; B01D39/16; B01D39/1607; B01D39/1623; D; D04; D04H; D04H5/00; D04H5/02; B01D2239/00; B01D2239/04; B01D2239/06; B01D2239/0604; B01D2239/0627; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/2405; Y10T428/24355; Y10T428/24446
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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |