US3134965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic data-storage device and matrix
Assignee: NCR Voyix Corp
•
Filing: 1959-03-03
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Granted: 1964-05-26
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Expires: 1979-03-03
Abstract
No abstract record available.
Inventors
- 👤 Donal A Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:01
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; G11C5/04; G11C11/00; G11C11/02; G11C11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A BISTABLE MAGNETIC DATA-STORAGE DEVICE, COMPRISING: A SET OF SOLENOIDS SUBSTANTIALLY COAXIALLY AND CONCENTRICALLY DISPOSED RELATIVE TO EACH OTHER; EMBEDDING MEANS INTEGRATING SAID SET OF SOLENOIDS INTO A UNITARY STRUCTURE PRESENTING A BORE THROUGH THE INTERIOR OF THE SET OF SOLENOIDS; AND A BISTABLE MAGNETIC DEVICE READILY INSERTABLE INTO AND REMOVABLE FROM SAID BORE AND COMPRISING A ROD-LIKE SUPPORT MEANS AND A THIN FILM OF BISTABLE MAGNETIC MATERIAL ON SAID SUPPORT MEANS AND COMPRISING ALSO SERIALLY-CONNECTED SOLENOID MEANS SUPPORTED BY SAID SUPPORT MEANS AND ENCIRCLING BOTH THE SUPPORT MEANS AND THE THIN FILM OF BISTABLE MAGNETIC MATERIAL THEREON, WHEREBY SAID SET OF SOLENOIDS IS ARRANGED TO RECEIVE AND INDUCTIVELY COOPERATE WITH THE SOLENOID AND THIN FILM ON SAID SUPPORT MEANS FOR BINARY-DATA-STORAGE AND READING OPERATIONS.
Claim 2
Dependent Claim
125 words
A BISTABLE MAGNETIC DATA-STORAGE DEVICE, COMPRISING: A SET OF SOLENOIDS SUBSTANTIALLY COAXIALLY AND CONCENTRICALLY DISPOSED RELATIVE TO EACH OTHER; EMBEDDING MEANS INTEGRATING SAID SET OF SOLENOIDS INTO A UNITARY STRUCTURE PRESENTING A BORE THROUGH THE INTERIOR OF THE SET OF SOLENOIDS; AND A BISTABLE MAGNETIC DEVICE READILY INSERTABLE INTO AND REMOVABLE FROM SAID BORE AND COMPRISING A ROD-LIKE SUPPORT MEANS AND A THIN FILM OF BISTABLE MAGNETIC MATERIAL ON SAID SUPPORT MEANS AND COMPRISING ALSO SERIALLY-CONNECTED SOLENOID MEANS SUPPORTED BY SAID SUPPORT MEANS AND ENCIRCLING BOTH THE SUPPORT MEANS AND THE THIN FILM OF BISTABLE MAGNETIC MATERIAL THEREON, WHEREBY SAID SET OF SOLENOIDS IS ARRANGED TO RECEIVE AND INDUCTIVELY COOPERATE WITH THE SOLENOID AND THIN FILM ON SAID SUPPORT MEANS FOR BINARY-DATA-STORAGE AND READING OPERATIONS.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |