Patent US3102998A successfully refreshed from Google Patents.
US3102998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage system
Assignee: AT&T Inc
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Filing: 1959-06-05
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Granted: 1963-09-03
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Expires: 1979-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Staehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:46
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/23; G11C13/00; G11C13/04; G11C13/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN INFORMATION STORAGE SYSTEM COMPRISING A PERMANENT STORE INCLUDING A CATHODE RAY TUBE HAVING A LUMINESCENT SURFACE, MEANS FOR PROJECTING AN ELECTRON BEAM AGAINST SAID SURFACE TO PRODUCE A SPOT OF LIGHT THEREAT, FIRST BEAM DEFLECTION MEANS, AN INFORMATION STORAGE MEDIUM, AND LIGHT SENSITIVE MEANS POSITIONED TO RECEIVE LIGHT FROM SAID SURFACE THROUGH SAID STORAGE MEDIUM, A TEMPORARY STORE COMPRISING A CATHODE RAY TUBE HAVING AN INFORMATION STORAGE TARGET, MEANS FOR PROJECTING AN ELECTRON BEAM AGAINST SAID TARGET, SECOND BEAM DEFLECTION MEANS AND MEANS FOR DETECTING OUTPUT SIGNALS FROM SAID TARGET, ACCESS CIRCUITRY CONNECTED IN COMMON TO EACH OF SAID STORES, MEANS FOR APPLYING INPUT INFORMATION TO SAID ACCESS CIRCUITRY TO INITIATE CONCURRENT OPERATION OF EACH OF SAID STORES, DISTINCT OUTPUT CIRCUITRY CONNECTED TO EACH CORRESPONDING STORE, AND MEANS FOR ENABLING SAID PERMANENT AND TEMPORARY STORES ALTERNATIVELY.
Claim 2
Dependent Claim
137 words
AN INFORMATION STORAGE SYSTEM COMPRISING A PERMANENT STORE INCLUDING A CATHODE RAY TUBE HAVING A LUMINESCENT SURFACE, MEANS FOR PROJECTING AN ELECTRON BEAM AGAINST SAID SURFACE TO PRODUCE A SPOT OF LIGHT THEREAT, FIRST BEAM DEFLECTION MEANS, AN INFORMATION STORAGE MEDIUM, AND LIGHT SENSITIVE MEANS POSITIONED TO RECEIVE LIGHT FROM SAID SURFACE THROUGH SAID STORAGE MEDIUM, A TEMPORARY STORE COMPRISING A CATHODE RAY TUBE HAVING AN INFORMATION STORAGE TARGET, MEANS FOR PROJECTING AN ELECTRON BEAM AGAINST SAID TARGET, SECOND BEAM DEFLECTION MEANS AND MEANS FOR DETECTING OUTPUT SIGNALS FROM SAID TARGET, ACCESS CIRCUITRY CONNECTED IN COMMON TO EACH OF SAID STORES, MEANS FOR APPLYING INPUT INFORMATION TO SAID ACCESS CIRCUITRY TO INITIATE CONCURRENT OPERATION OF EACH OF SAID STORES, DISTINCT OUTPUT CIRCUITRY CONNECTED TO EACH CORRESPONDING STORE, AND MEANS FOR ENABLING SAID PERMANENT AND TEMPORARY STORES ALTERNATIVELY.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |