US3150995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic recording element having diisocyanate-based elastomer binder and method forpreparing same
Assignee: RCA Corp
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Filing: 1961-04-28
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Granted: 1964-09-29
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Bauer Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:50
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/702; G11B5/7021; G11B5/7022; C; C08; C08L; C08L29/00; C08L29/02; C08L29/04; C08L75/00; C08L75/04; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/269; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A MAGNETIC RECORDING ELEMENT COMPRISING A BASE AND A COATING UPON A SURFACE OF SAID BASE, SAID COATING COMPRISING MAGNETIC PARTICLES IN A DIISOCYANATE-BASED ELASTOMER BINDER, SAID DIISOCYANATE-BASED ELASTOMER CONSISTING ESSENTIALLY OF INTERCONNECTED UNITS HAVING THE FORMULA:
Claim 2
Dependent Claim
37 words
A MAGNETIC RECORDING ELEMENT COMPRISING A BASE AND A COATING UPON A SURFACE OF SAID BASE, SAID COATING COMPRISING MAGNETIC PARTICLES IN A DIISOCYANATE-BASED ELASTOMER BINDER, SAID DIISOCYANATE-BASED ELASTOMER CONSISTING ESSENTIALLY OF INTERCONNECTED UNITS HAVING THE FORMULA:
References Cited (Backward Citations)
CA585378A
Cited
DE814225C
Cited
GB717537A
Cited
US2978414A
Cited
US2948707A
Cited
US2989415A
Cited
US3049442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |