US3293629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planar media magnetic code identification system
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1965-04-02
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Granted: 1966-12-20
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Donald S Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:14
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/08; G11; G11B; G11B5/00; G11B5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DATA BEARING MEDIA IDENTIFICATION SYSTEM COMPRISING: (A) PLANAR MEDIA HAVING DATA RECORDED ON THE PLANAR FACES OF SAID MEDIA, (B) A MAGNETIZABLE REGION AFFIXED ONLY TO PLANAR FACES OF SAID MEDIA ADJACENT EDGES OF SAID MEDIA AND MAGNETIZED TO PRODUCE REMNANT FLUX EMANATING FROM SAID EDGES IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID EDGES IN ACCORDANCE WITH AN IDENTITY CODE INDICIATIVE TO SAID DATE RECORDED, AND (C) MENS FOR DETERMINING THE IDENTITY OF SAID MEDIA, SAID IDENTIFICATION MEANS INCLUDING MEANS FOR SENSING THE REMNANT FLUX EMANATING FROM SAID EDGES.
Claim 2
Dependent Claim
90 words
A DATA BEARING MEDIA IDENTIFICATION SYSTEM COMPRISING: (A) PLANAR MEDIA HAVING DATA RECORDED ON THE PLANAR FACES OF SAID MEDIA, (B) A MAGNETIZABLE REGION AFFIXED ONLY TO PLANAR FACES OF SAID MEDIA ADJACENT EDGES OF SAID MEDIA AND MAGNETIZED TO PRODUCE REMNANT FLUX EMANATING FROM SAID EDGES IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID EDGES IN ACCORDANCE WITH AN IDENTITY CODE INDICIATIVE TO SAID DATE RECORDED, AND (C) MENS FOR DETERMINING THE IDENTITY OF SAID MEDIA, SAID IDENTIFICATION MEANS INCLUDING MEANS FOR SENSING THE REMNANT FLUX EMANATING FROM SAID EDGES.
References Cited (Backward Citations)
US2857059A
Cited
US3034643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |