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Official data from INPI

ELEMENTO DE SAPATA SUBSTITUÍVEL PARA UMA PÁ OU SEMELHANTE; E CONJUNTO DE ELEMENTOS DE SAPATA SUBSTITUÍVEIS

Em AnáliseInvention Patent

Application data

Number

PI8704995

Type

Invention Patent

Filing

09/28/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/28/87
  2. Publication05/17/88
  3. Examination11/01/88
  4. Allowance11/05/91
  5. Grant09/29/92
  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.

Talk to a specialist

Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

912.269 · 09/29/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/01/1988

RPI 941

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 28/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

03/17/1992

RPI 1111

Deferimento

#9.1

11/05/1991

RPI 1092

14.4

05/14/1991

RPI 1067

14.1

05/07/1991

RPI 1066

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