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Official data from INPI

MÁQUINA DE ACABAMENTO FINÍSSIMO COM EMPREGO DE PELÍCULA DE POLIMENTO

Arquivada/ExtintaInvention PatentPCT · JP1988001307

Application data

Number

PI8807390

Type

Invention Patent

Filing

12/23/1988

Publication

03/01/1990

PCT

JP1988001307

Progress at the INPI

  1. Filing12/23/88
  2. Publication03/01/90
  3. Examination05/15/90
  4. Allowance09/08/92
  5. Grant04/27/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. S. (pessoa física)

JP

Inventors

M. K. (pessoa física)

R. I. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

62-330698 · 12/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/08/1992

RPI 1136

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1990

RPI 1007

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