【簡(jiǎn)介:】Bibliographic Data
Application Number: 07/574,529 Customer Number: -
Filing or 371 (c) Date: 08-28-1990 Status: Patented Case
Application Type: Util
Bibliographic Data
Application Number: 07/574,529 Customer Number: -
Filing or 371 (c) Date: 08-28-1990 Status: Patented Case
Application Type: Utility Status Date: 12-26-1990
Examiner Name: SIMONE, TIMOTHY F Location: ELECTRONIC
Group Art Unit: 2402 Location Date: -
Confirmation Number: 8452 Earliest Publication No: -
Attorney Docket Number: 2397/78984/nhz Earliest Publication Date: -
Class / Subclass: 099/411 Patent Number: 4,995,312
First Named Inventor: ERNEST LEIROS , DIJON, (FR) Issue Date of Patent: 02-26-1991
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Title of Invention: COOKING APPLIANCE WITH ELECTRIC HEATING
這是美專局提供的這個(gè)專利的法律狀態(tài)
其中Status(法律狀態(tài))為Patented Case(專利已授權(quán))
美國(guó)專利的有效期是20年,這個(gè)專利的申請(qǐng)日是1990年8月28日,應(yīng)該從申請(qǐng)日算起,所以說(shuō)這個(gè)專利已經(jīng)過(guò)期,
應(yīng)該沒(méi)有續(xù)期,20年以前的技術(shù)了。