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US3199082A Expired / Lapsed US ⏱️ 0.0 years remaining

Memory system

Assignee: International Business Machines Corp
•
Filing: 1959-11-27
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Granted: 1965-08-03
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Expires: 1979-11-27
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Abstract

No abstract record available.

Inventors

  • 👤 Luther H Haibt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:05
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/02; G11C15/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 25 words
IN A MEMORY SYSTEM; A TAG MEMORY FOR STORING A PLURALITY OF IDENTIFYING TAGS AND VACANCY TAGS; A TAG REGISTER FOR STORING AN IDENTIFYING TAG
Claim 2
Dependent Claim 25 words
IN A MEMORY SYSTEM; A TAG MEMORY FOR STORING A PLURALITY OF IDENTIFYING TAGS AND VACANCY TAGS; A TAG REGISTER FOR STORING AN IDENTIFYING TAG

References Cited (Backward Citations)

US2587532A Cited
US2800277A Cited
US2815168A Cited
US2850566A Cited
US2913706A Cited
US2847657A Cited
US2885659A Cited
US2907004A Cited
US2994065A Cited
US3018959A Cited
US2895124A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-02 1969-02-01 1969-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-02 1973-02-01 1973-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-02 1977-02-01 1977-08-03 $7700.00 Window Closed / Lapsed

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