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Official data from INPI

DOBRADURA DA BORDA INFERIOR DO CABEDAL

Em AnáliseInvention Patent

Application data

Number

PI8701428

Type

Invention Patent

Filing

03/16/1987

Publication

09/20/1988

Progress at the INPI

  1. Filing03/16/87
  2. Publication09/20/88
  3. Examination02/14/89
  4. Allowance04/24/90
  5. Grant02/13/91
  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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. T. (pessoa física)

RS, BR

R. T. (pessoa física)

RS, BR

Inventors

R. T. (pessoa física)

BR

R. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 16/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

04/24/1990

RPI 1015

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