← Back to Patent Explorer
US3014203A Expired / Lapsed US ⏱️ 0.0 years remaining

Information storage matrix

Assignee: International Business Machines Corp
•
Filing: 1955-10-14
•
Granted: 1961-12-19
•
Expires: 1975-10-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Louis D Stevens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:48
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; B01J21/00; B01J21/16; B01J23/00; B01J23/16; B01J23/24; B01J23/26; B01J27/00; B01J27/06; B01J27/08; B01J27/122; B01J37/00; B01J37/08; B01J8/24; C; C08; C08F; C08F10/00; G; G11; G11C; G11C13/00; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132; B01J2208/00327; B01J2208/00336; B01J2208/00353; B01J2208/00371; B01J2208/00389; B01J2208/00407

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US876701A Cited
US2709042A Cited
DE872068C Cited
US2928080A Cited
US2844811A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-18 1965-06-19 1965-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-18 1969-06-19 1969-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-18 1973-06-19 1973-12-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag