Patent US3200383A successfully refreshed from Google Patents.
US3200383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductor for a thin film matrix employing a driving core connected by resistance wire
Assignee: International Computers and Tabulators Ltd
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Filing: 1961-09-07
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Granted: 1965-08-10
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 James John Beruard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:26
CPC Classifications
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Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN INFORMATION STORAGE DEVICE INCLUDING A THIN MAGNETIC INFORMATION STORAGE FILM SUPPORTED ON A SUBSTRATE; A DRIVING CONDUCTOR FORMING AN ELONGATED OPEN ENDED LOOP, THE SUBSTRATE POSITIONED WITHIN THE LOOP AND ONE LONG SIDE OF THE LOOP BEING CLOSELY SPACED FROM THE MAGNETIC FILM AND MAGNETICALLY COUPLED THEREWITH; AND MEANS FOR INDUCING A DRIVING CURRENT IN THE LOOP COMPRISING A BISTABLE MAGNETIC SWITCH CORE SUPPORTED CLOSELY ADJACENT THE OPEN ENDS OF THE LOOP; A COUPLING BETWEEN THE LOOP AND THE SWITCH CORE CONSISTING OF A RESISTANCE WIRE JOINING THE OPEN ENDS OF THE LOOP AND THREADING THE SWITCH CORE; AND AT LEAST ONE OTHER CONDUCTOR THREADING THE
Claim 2
Dependent Claim
107 words
AN INFORMATION STORAGE DEVICE INCLUDING A THIN MAGNETIC INFORMATION STORAGE FILM SUPPORTED ON A SUBSTRATE; A DRIVING CONDUCTOR FORMING AN ELONGATED OPEN ENDED LOOP, THE SUBSTRATE POSITIONED WITHIN THE LOOP AND ONE LONG SIDE OF THE LOOP BEING CLOSELY SPACED FROM THE MAGNETIC FILM AND MAGNETICALLY COUPLED THEREWITH; AND MEANS FOR INDUCING A DRIVING CURRENT IN THE LOOP COMPRISING A BISTABLE MAGNETIC SWITCH CORE SUPPORTED CLOSELY ADJACENT THE OPEN ENDS OF THE LOOP; A COUPLING BETWEEN THE LOOP AND THE SWITCH CORE CONSISTING OF A RESISTANCE WIRE JOINING THE OPEN ENDS OF THE LOOP AND THREADING THE SWITCH CORE; AND AT LEAST ONE OTHER CONDUCTOR THREADING THE
References Cited (Backward Citations)
US2978683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |