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Official data from INPI

TOMADA DE PISO

Em AnáliseInvention Patent

Application data

Number

PI8701248

Type

Invention Patent

Filing

03/20/1987

Publication

09/20/1988

Progress at the INPI

  1. Filing03/20/87
  2. Publication09/20/88
  3. Examination12/20/88
  4. Allowance10/19/93
  5. Grant08/30/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pial Eletro Eletrônicos Ltda

SP, BR

See this company's full portfolio

Inventors

R. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/20/1988

RPI 948

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

06/30/1987

RPI 871

Carta-patente expirada

#21.1

Patente extinta em 20/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/19/1993

RPI 1194

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