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Official data from INPI

PNEU

Em AnáliseInvention Patent

Application data

Number

PI8602871

Type

Invention Patent

Filing

06/20/1986

Publication

02/10/1987

Progress at the INPI

  1. Filing06/20/86
  2. Publication02/10/87
  3. Examination02/14/89
  4. Allowance05/29/90
  5. Grant12/26/90
  6. Terminated10/03/95

The patent was granted on 12/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W & A Bates Limited

GB

See this company's full portfolio

Inventors

A. S. (pessoa física)

E. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

85 15875 · 06/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

4.1.2

06/06/1989

RPI 972

4.1.2

04/18/1989

RPI 965

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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