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Official data from INPI

CONJUNTO DE MANCAIS APERFEIÇOADO

Em AnáliseInvention PatentPCT · US1986002324

Application data

Number

PI8607120

Type

Invention Patent

Filing

10/27/1986

Publication

02/09/1988

PCT

US1986002324

Progress at the INPI

Under appeal
  1. Filing10/27/86
  2. Publication02/09/88
  3. Examination11/28/89
  4. Refused03/03/92
  5. Grant
  6. In force

The application was refused by the INPI on 03/03/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Smith International, Inc.

US

See this company's full portfolio

Inventors

B. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

841.570 · 03/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/28/1989

RPI 997

Notificação de entrada na fase nacional - PCT

#1.3

02/09/1988

RPI 903

Indeferimento

#9.2

03/03/1992

RPI 1109

Conhecimento de parecer técnico

#7.1

06/18/1991

RPI 1072

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