Patent US3353169A successfully refreshed from Google Patents.
US3353169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-aperture mated thin film memory element
Assignee: Unisys Corp
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Filing: 1965-10-23
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Granted: 1967-11-14
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Richard P Halverson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:20
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/08; G11C11/06; G11C11/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T428/00; Y10T428/24; Y10T428/24273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A MAGNETIC MEMORY ELEMENT, COMPRISING: A SUBSTRATE MEMBER; SAID SUBSTRATE MEMBER HAVING FIRST AND SECOND APERTURE THERETHROUGH AND FORMING A WEB THEREBETWEEN; FIRST AND SECOND OPEN-FLUX-PATH LAYERS OF A MAGNETIZABLE MATERIAL; SAID FIRST AND SECOND LAYERS EACH ASSOCIATED WITH SAID FIRST AND SECOND APERTURES, RESPECTIVELY; A CONDUCTIVE STRIP HAVING A LONGITUDINAL AXIS ORIENTED ALONG SAID WEB; THIRD AND FOURTH OPEN-FLUX-PATH LAYERS OF MAGNETIZABLE MATERIAL; SAID THIRD AND FOURTH FILM LAYERS EACH ASSOCIATED WITH SAID FIRST AND SECOND APERTURES, RESPECTIVELY, AND EACH HAVING PORTIONS SUPERPOSED PORTIONS OF SAID FIRST AND SECOND LAYERS, RESPECTIVELY, FOR CLOSING THE OTHERWISE OPEN FLUX PATH OF SAID FIRST AND SECOND LAYERS AROUND SAID FIRST AND SECOND APERTURES, RESPECTIVELY, WHEREIN SAID FIRST AND FOURTH LAYERS HAVE SUPERPOSED CENTRAL PORTIONS IN THE AREA OF SAID WEB FOR SANDWICHING AND ENVELOPING SAID CONDUCTIVE STRIP THEREBETWEEN WITH SAID CENTRAL PORTIONS HAVING SIDES OVERLAPPING SAID ENVELOPED CONDUCTIVE STRIP FOR FORMING CLOSELY-COUPLED MATED-FILM PORTIONS FOR CREATING A SUBSTANTIALLYCLOSED FLUX PATH ABOUT SAID ENVELOPED CONDUCTIVE STRIP AND ORTHOGONAL THE LONGITUDINAL AXIS THEREOF; SAID SUPERPOSED CENTRAL PORTIONS AND SAID ENVELOPED CONDUCTIVE STRIP FORMING A MEMORY AREA, BINARY INFORMATION STORED IN SAID MEMORY AREA IN A FIRST OR SECOND AND OPPOSITE CIRCUMFERENTIAL FLUX DIRECTION ABOUT SAID ENVELOPE CONDUCTIVE STRIP.
Claim 2
Dependent Claim
204 words
A MAGNETIC MEMORY ELEMENT, COMPRISING: A SUBSTRATE MEMBER; SAID SUBSTRATE MEMBER HAVING FIRST AND SECOND APERTURE THERETHROUGH AND FORMING A WEB THEREBETWEEN; FIRST AND SECOND OPEN-FLUX-PATH LAYERS OF A MAGNETIZABLE MATERIAL; SAID FIRST AND SECOND LAYERS EACH ASSOCIATED WITH SAID FIRST AND SECOND APERTURES, RESPECTIVELY; A CONDUCTIVE STRIP HAVING A LONGITUDINAL AXIS ORIENTED ALONG SAID WEB; THIRD AND FOURTH OPEN-FLUX-PATH LAYERS OF MAGNETIZABLE MATERIAL; SAID THIRD AND FOURTH FILM LAYERS EACH ASSOCIATED WITH SAID FIRST AND SECOND APERTURES, RESPECTIVELY, AND EACH HAVING PORTIONS SUPERPOSED PORTIONS OF SAID FIRST AND SECOND LAYERS, RESPECTIVELY, FOR CLOSING THE OTHERWISE OPEN FLUX PATH OF SAID FIRST AND SECOND LAYERS AROUND SAID FIRST AND SECOND APERTURES, RESPECTIVELY, WHEREIN SAID FIRST AND FOURTH LAYERS HAVE SUPERPOSED CENTRAL PORTIONS IN THE AREA OF SAID WEB FOR SANDWICHING AND ENVELOPING SAID CONDUCTIVE STRIP THEREBETWEEN WITH SAID CENTRAL PORTIONS HAVING SIDES OVERLAPPING SAID ENVELOPED CONDUCTIVE STRIP FOR FORMING CLOSELY-COUPLED MATED-FILM PORTIONS FOR CREATING A SUBSTANTIALLYCLOSED FLUX PATH ABOUT SAID ENVELOPED CONDUCTIVE STRIP AND ORTHOGONAL THE LONGITUDINAL AXIS THEREOF; SAID SUPERPOSED CENTRAL PORTIONS AND SAID ENVELOPED CONDUCTIVE STRIP FORMING A MEMORY AREA, BINARY INFORMATION STORED IN SAID MEMORY AREA IN A FIRST OR SECOND AND OPPOSITE CIRCUMFERENTIAL FLUX DIRECTION ABOUT SAID ENVELOPE CONDUCTIVE STRIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |