US3309681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-apertured memory arrangement
Assignee: Bunker Ramo Corp
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Filing: 1962-08-21
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Granted: 1967-03-14
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Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 David R Boyles
- 👤 John S Davis
- 👤 Paul E Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:16
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN INFORMATION STORAGE ARRANGEMENT COMPRISING A SCREEN OF FILAMENTARY ELEMENTS COATED WITH REMANENT MAGNETIC MATERIAL IN A MANNER TO PROVIDE AN ORDERED ARRANGEMENT OF SYMMETRICAL MAGNETIC PATHS SURROUNDING ADJACENT OPENINGS IN THE SCREEN, MEANS FOR COINCIDENTLY APPLYING INFORMATION STORAGE SIGNALS TO PRODUCE PARTICULAR FLUX CONDITIONS IN THE MAGNETIC MATERIAL SURROUNDING TWO ADJACENT OPENINGS HAVING A COMMON LEG, AND MEANS FOR SELECTIVELY SENSING THE STATE OF STORED INFORMATION.
Claim 2
Dependent Claim
67 words
AN INFORMATION STORAGE ARRANGEMENT COMPRISING A SCREEN OF FILAMENTARY ELEMENTS COATED WITH REMANENT MAGNETIC MATERIAL IN A MANNER TO PROVIDE AN ORDERED ARRANGEMENT OF SYMMETRICAL MAGNETIC PATHS SURROUNDING ADJACENT OPENINGS IN THE SCREEN, MEANS FOR COINCIDENTLY APPLYING INFORMATION STORAGE SIGNALS TO PRODUCE PARTICULAR FLUX CONDITIONS IN THE MAGNETIC MATERIAL SURROUNDING TWO ADJACENT OPENINGS HAVING A COMMON LEG, AND MEANS FOR SELECTIVELY SENSING THE STATE OF STORED INFORMATION.
References Cited (Backward Citations)
US3083353A
Cited
US3099874A
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US3105962A
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US3171103A
Cited
US3221312A
Cited
US3229265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |