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Official data from INPI

COMPOSIÇÃO DE RESINA DE POLIACETAL

Prazo de SigiloInvention Patent

Application data

Number

PI8903292

Type

Invention Patent

Filing

07/04/1989

Publication

02/13/1990

Progress at the INPI

Awaiting grant fee payment
  1. Filing07/04/89
  2. Publication02/13/90
  3. Examination05/26/92
  4. Allowance06/20/95
  5. Grant
  6. In force

The application was allowed by the INPI on 06/20/1995. The grant of the letters patent is being processed.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Polyplastics CO , Ltd

JP

See this company's full portfolio

Inventors

M. M. (pessoa física)

JP

N. S. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

61/60232 · 03/13/1989

JP

63/166387 · 07/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Retificação

#15.3

11/14/1995

RPI 1302

Deferimento

#9.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

05/26/1992

RPI 1121

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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