Patent US1540098A successfully refreshed from Google Patents.
Patent US3126924A successfully refreshed from Google Patents.
US3126924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kirkpatrick
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:48
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/02; H01F7/0205; H01F7/021; H01F7/0215; D; D02; D02G; D02G3/00; D02G3/02; D02G3/12; D03; D03D; D03D15/00; D03D15/20; D03D15/242; D03D15/25; D03D15/267; D03D15/40; D03D15/41; D03D15/47; D03D15/50; D03D15/507; D04; D04B; D04B1/00; D04B1/14; D06; D06Q; D06Q1/00; D06Q1/04; D10; D10B; D10B2101/00; D10B2101/02; D10B2101/06; D10B2101/20; D10B2201/00; D10B2201/01; D10B2201/02; D10B2201/20; D10B2201/22; D10B2201/24; D10B2211/00; D10B2211/01; D10B2211/02; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S57/00; Y10S57/901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
A PERMANENTLY MAGNETIC FABRIC HAVING WARP AND FILLING SETS OF YARNS, AT LEAST ONE OF SAID SETS OF YARNS INCLUDING TWISTED STAPLE YARNS HAVING A SUBSTANTIAL PROPORTION OF PERMANENTLY MAGNETIC STAPLE FIBERS WITH THEIR LIKE POLES ALIGNED IN ONE DIRECTION TOGETHER WITH NON-MAGNETIC FIBERS OF TEXTILE MATERIAL.
References Cited (Backward Citations)
US1012031A
Cited
US1096077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |