US2862845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetizable bands
Assignee: Clevite Corp
•
Filing: 1954-10-25
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Granted: 1958-12-02
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Szegvari Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:54
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A LAMINATED MAGNETIZABLE ARTICLE COMPRISING A FIRST RELATIVELY THIN LAYER OF CHLORO-SULPHONATED POLYETHYLENE POLYMERS HAVING MAGNETIZABLE PARTICLES DISTRIBUTED THROUGHOUT ITS VOLUME AND HAVING GOOD WEARING PROPERTIES WHEN MOVED RELATIVE TO AND AGAINST A MAGNETIC TRANSDUCER HEAD, AND A SECOND RELATIVELY THICK LAYER OF CHLOROPRENE RUBBER HAVING BETTER ELASTIC PROPERTIES THAN SAID FIRST LAYER BONDED TO SAID FIRST LAYER, THE EXPOSED SURFACE OF SAID FIRST LAYER FORMING A SMOOTH, WEAR RESISTANT SURFACE FOR CONTACTING A TRANSDUCER HEAD AND THE BETTER ELASTIC PROPERTIES OF SAID SECOND LAYER CAUSING SAID LAMINATED ARTICLE TO ESTABLISH GOOD TRANDUCING CONTACT WITH A MAGNETIC TRANSDUCER HEAD.
References Cited (Backward Citations)
US2734033A
Cited
GB340705A
Cited
US2123180A
Cited
US2464060A
Cited
US2465282A
Cited
US2633431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |