Patent US2911134A successfully refreshed from Google Patents.
US3201765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus without moving parts, for moving a storage area along a storage medium
Assignee: RCA Corp
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Filing: 1963-08-16
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Granted: 1965-08-17
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Pearl Judea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:06
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/32; G11C11/00; G11C11/21; G11C11/44; H; H10; H10N; H10N60/00; H10N60/80; H10N60/84; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN COMBINATION, A LENGTH OF SUPERCONDUCTOR MATERIAL; MEANS FOR ESTABLISHING A PERSISTENT CURRENT IN A RESTRICTED AREA OF SAID MATERIAL; AND ELECTRICAL MEANS COUPLED TO SAID MATERIAL FOR CAUSING THE RESTRICTED AREA IN WHICH PERSISTENT CURRENT FLOWS TO MOVE ALONG THE LENGTH OF THE SUPERCONDUCTOR MATERIAL.
Claim 2
Dependent Claim
46 words
IN COMBINATION, A LENGTH OF SUPERCONDUCTOR MATERIAL; MEANS FOR ESTABLISHING A PERSISTENT CURRENT IN A RESTRICTED AREA OF SAID MATERIAL; AND ELECTRICAL MEANS COUPLED TO SAID MATERIAL FOR CAUSING THE RESTRICTED AREA IN WHICH PERSISTENT CURRENT FLOWS TO MOVE ALONG THE LENGTH OF THE SUPERCONDUCTOR MATERIAL.
References Cited (Backward Citations)
US2919432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |