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Official data from INPI

SISTEMA DE TAIPAIS.

ConcedidaInvention Patent

Application data

Number

PI8003454

Type

Invention Patent

Filing

06/03/1980

Publication

02/02/1982

Progress at the INPI

  1. Filing06/03/80
  2. Publication02/02/82
  3. Examination01/18/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AB ABM

SE

Inventors

H. B. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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