US3149529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct access photo memory
Assignee: International Business Machines Corp
•
Filing: 1959-01-12
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Granted: 1964-09-22
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Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Critchlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:29
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/26; G; G06; G06K; G06K13/00; G06K17/00; G06K17/0003; G06K17/0012; G11; G11B; G11B15/00; G11B15/02; G11B15/12; G11B15/14; G11B27/00; G11B27/002; G11B7/00; G11B7/002; G11B7/0033; G11C; G11C13/00; G11C13/04; G11C13/048; Y; Y10; Y10S; Y10S221/00; Y10S221/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A RANDOM ACCESS DATA STORAGE APPARATUS COMPRISING A CELL, A PLURALITY OF RECORD SHEETS POSITIONED IN THE CELL, A FIXED READ-WRITE STATION HAVING OPTICAL MEANS FOR RECORDING DATA ON AND REPRODUCING DATA FROM A RECORD SHEET, AND A TRANSPORT MEANS MOVABLE BETWEEN THE CELL AND THE READ-WRITE STATION FOR TRANSPORTING A SELECTED RECORD SHEET FROM THE CELL TO THE READ-WRITE STATION AND FOR RETURNING THE RECORD SHEET FROM THE READ-WRITE STATION TO THE CELL.
Claim 2
Dependent Claim
74 words
A RANDOM ACCESS DATA STORAGE APPARATUS COMPRISING A CELL, A PLURALITY OF RECORD SHEETS POSITIONED IN THE CELL, A FIXED READ-WRITE STATION HAVING OPTICAL MEANS FOR RECORDING DATA ON AND REPRODUCING DATA FROM A RECORD SHEET, AND A TRANSPORT MEANS MOVABLE BETWEEN THE CELL AND THE READ-WRITE STATION FOR TRANSPORTING A SELECTED RECORD SHEET FROM THE CELL TO THE READ-WRITE STATION AND FOR RETURNING THE RECORD SHEET FROM THE READ-WRITE STATION TO THE CELL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |