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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305511

Type

Invention Patent

Filing

10/05/1983

Publication

05/15/1984

Progress at the INPI

  1. Filing10/05/83
  2. Publication05/15/84
  3. Examination03/25/86
  4. Allowance12/16/86
  5. Grant08/25/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITT Industries, Inc.

US

See this company's full portfolio

Inventors

S. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

03/25/1986

RPI 805

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

12/20/1983

RPI 687

Carta-patente expirada

#21.1

Patente extinta em 05/10/98

07/01/2008

RPI 1956

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