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Publication numberDE3587658 D1
Publication typeGrant
Application numberDE19853587658
Publication dateDec 23, 1993
Filing dateJul 23, 1985
Priority dateSep 14, 1984
Also published asDE3587658T2, EP0174472A2, EP0174472A3, EP0174472B1, US4644493, US4903296
Publication number19853587658, 853587658, DE 3587658 D1, DE 3587658D1, DE-D1-3587658, DE19853587658, DE3587658 D1, DE3587658D1, DE853587658
InventorsAkhileshwari Narain Chandra, Liam David Comerford, Steve Richard White
ApplicantIbm
Export CitationBiBTeX, EndNote, RefMan
Ausführung von einer gemeinsam benutzten, höheren Privilegstufe auf persönlichen Computern für Softwarekopiersicherung. Execution of a shared, higher privilege level on personal computers for software copy protection. translated from German
DE 3587658 D1
Abstract  available in
Description  available in
Claims  available in
Classifications
International ClassificationG06F21/00, G06F3/06, G06F1/00, G06F21/22, G06F12/14, G06F21/24
Cooperative ClassificationG06F21/123
European ClassificationG06F21/12A2
Legal Events
DateCodeEventDescription
Dec 15, 19948364No opposition during term of opposition
Jul 13, 19958339Ceased/non-payment of the annual fee