Patent US3124725A successfully refreshed from Google Patents.
US3124725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible plastic permanent magnets
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:16
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/02; H01F7/0205; H01F7/021; H01F7/0215; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S55/00; Y10S55/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T442/00; Y10T442/30; Y10T442/3033; Y10T442/3041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A FLEXIBLE EASILY DISTORTIONABLE PERMANENT PLASTIC MAGNET IN THE FORM OF A WOVEN TAPE HAVING WARP AND WEFT ELEMENTS AND CONSISTING ESSENTIALLY OF A PLURALITY OF LONG SMALL CROSS-SECTIONAL EASILY DISTORTIONABLE PLASTIC WARP ELEMENTS, EACH OF THE WARP ELEMENTS HAVING FINELY DIVIDED MAGNETIZED MAGNETIC MATERIAL UNIFORMLY DISPERSED THROUGH THE PLASTIC THEREOF, AND ALSO HAVING A THIN HIGH SKIN STRENGTH EASILY DISTORTIONABLE ELASTIC NONMAGNETIC PLASTIC SURFACE SKIN PORTION HIGHLY RESISTANT TO CRACKING UNDER REPEATED DISTORTIONS, THE THIN SURFACE SKIN PORTION SURROUNDING AND BEING INTGEGRAL WITH THE SAID PLASTIC WARP ELEMENTS AND DISTORTIONABLE THEREWITH, AND A HIGHLY FLEXIBLE WEFT OF NON-MAGNETIC MATERIAL INTERWOVEN WITH THE MAGNETIC PLASTIC WARP ELEMENTS TO FORM A WOVEN PERMANENT MAGNETIC TAPE.
Claim 2
Dependent Claim
114 words
A FLEXIBLE EASILY DISTORTIONABLE PERMANENT PLASTIC MAGNET IN THE FORM OF A WOVEN TAPE HAVING WARP AND WEFT ELEMENTS AND CONSISTING ESSENTIALLY OF A PLURALITY OF LONG SMALL CROSS-SECTIONAL EASILY DISTORTIONABLE PLASTIC WARP ELEMENTS, EACH OF THE WARP ELEMENTS HAVING FINELY DIVIDED MAGNETIZED MAGNETIC MATERIAL UNIFORMLY DISPERSED THROUGH THE PLASTIC THEREOF, AND ALSO HAVING A THIN HIGH SKIN STRENGTH EASILY DISTORTIONABLE ELASTIC NONMAGNETIC PLASTIC SURFACE SKIN PORTION HIGHLY RESISTANT TO CRACKING UNDER REPEATED DISTORTIONS, THE THIN SURFACE SKIN PORTION SURROUNDING AND BEING INTGEGRAL WITH THE SAID PLASTIC WARP ELEMENTS AND DISTORTIONABLE THEREWITH, AND A HIGHLY FLEXIBLE WEFT OF NON-MAGNETIC MATERIAL INTERWOVEN WITH THE MAGNETIC PLASTIC WARP ELEMENTS TO FORM A WOVEN PERMANENT MAGNETIC TAPE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |