Patent US3292161A successfully refreshed from Google Patents.
US3292161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin film shift register
Assignee: L3Harris Interstate Electronics Corp
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Filing: 1962-01-19
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Granted: 1966-12-13
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Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Kent D Broadbent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:43
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/08; G11C19/0808; G11C19/0841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A MAGNETIC DEVICE COMPRISING AN ELONGATED MAGNETIC MEDIUM, SAID MEDIUM COMPRISING A PLURALITY OF PORTIONS ALTERNATIVELY MAGNETIZABLE IN EITHER OF TWO STATES OF MAGNETIZATION AND EXTENDING LONGITUDINALLY ALONG SAID MEDIUM AND HAVING A RELATIVELY LOW MAGNETIC HARDNESS, A SEPARATING PORTION EXTENDING LONGITUDINALLY ALONG SAID MEDIUM BETWEEN EACH PORTION OF SAID PLURALITY ADJACENT ANOTHER SUCH PORTION AND HAVING A RELATIVELY HIGH MAGNETIC HARDNESS, SAID SEPARATING PORTION HAVING A FIRST STATE OF MAGNETIZATION; INPUT MEANS MAGNETICALLY COUPLED TO SAID MAGNETIC MEDIUM AT A FIRST PREDETERMINED PLACE THEREOF FOR ESTABLISHING IN SAID PLURALITY OF PORTIONS AN AREA OF A SECOND STATE OF MAGNETIZATION; OUTPUT MEANS RESPONSIVE TO THE STATE OF MAGNETIZATION OF SAID MAGNETIC MEDIUM AT A SECOND PREDETERMINED PLACE THEREOF, SPACED FROM SAID FIRST PREDETERMINED PLACE BY A CONTINUOUS PORTION OF SAID MAGNETIC MEDIUM; AND MEANS MAGNETICALLY COUPLED TO SAID MAGENTIC MEDIUM ALONG SAID CONTINUOUS PORTION THEREOF FOR MOVING THE AREA OF SAID SECOND STATE OF MAGNETIZATION FROM SAID FIRST PREDETERMINED PLACE TO SAID SECOND PREDETERMINED PLACE ON SAID MAGNETIC MEDIUM WITHIN SAID CONTINUOUS PORTION THEREOF.
Claim 2
Dependent Claim
174 words
A MAGNETIC DEVICE COMPRISING AN ELONGATED MAGNETIC MEDIUM, SAID MEDIUM COMPRISING A PLURALITY OF PORTIONS ALTERNATIVELY MAGNETIZABLE IN EITHER OF TWO STATES OF MAGNETIZATION AND EXTENDING LONGITUDINALLY ALONG SAID MEDIUM AND HAVING A RELATIVELY LOW MAGNETIC HARDNESS, A SEPARATING PORTION EXTENDING LONGITUDINALLY ALONG SAID MEDIUM BETWEEN EACH PORTION OF SAID PLURALITY ADJACENT ANOTHER SUCH PORTION AND HAVING A RELATIVELY HIGH MAGNETIC HARDNESS, SAID SEPARATING PORTION HAVING A FIRST STATE OF MAGNETIZATION; INPUT MEANS MAGNETICALLY COUPLED TO SAID MAGNETIC MEDIUM AT A FIRST PREDETERMINED PLACE THEREOF FOR ESTABLISHING IN SAID PLURALITY OF PORTIONS AN AREA OF A SECOND STATE OF MAGNETIZATION; OUTPUT MEANS RESPONSIVE TO THE STATE OF MAGNETIZATION OF SAID MAGNETIC MEDIUM AT A SECOND PREDETERMINED PLACE THEREOF, SPACED FROM SAID FIRST PREDETERMINED PLACE BY A CONTINUOUS PORTION OF SAID MAGNETIC MEDIUM; AND MEANS MAGNETICALLY COUPLED TO SAID MAGENTIC MEDIUM ALONG SAID CONTINUOUS PORTION THEREOF FOR MOVING THE AREA OF SAID SECOND STATE OF MAGNETIZATION FROM SAID FIRST PREDETERMINED PLACE TO SAID SECOND PREDETERMINED PLACE ON SAID MAGNETIC MEDIUM WITHIN SAID CONTINUOUS PORTION THEREOF.
References Cited (Backward Citations)
US2972736A
Cited
US3092813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |