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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM CORPO ÔCO A PARTIR DE UM MATERIAL ELASTÔMERO DE POLÍMERO POLIESTER

Em AnáliseInvention Patent

Application data

Number

PI8504668

Type

Invention Patent

Filing

09/24/1985

Publication

04/28/1987

Progress at the INPI

  1. Filing09/24/85
  2. Publication04/28/87
  3. Examination07/14/87
  4. Allowance11/16/93
  5. Grant08/30/94
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 07/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Miner Enterprises, Inc.

US

See this company's full portfolio

Inventors

D. A. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/14/1987

RPI 873

Publicação do pedido de patente

#3.1

04/28/1987

RPI 862

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Carta-patente expirada

#21.1

Patente extinta em 24/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/16/1993

RPI 1198

Exigência - art. 36 da LPI

#6.1

05/04/1993

RPI 1170

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

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