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Official data from INPI

VÁLVULA DE ESTRANGULAMENTO

ConcedidaInvention Patent

Application data

Number

PI8503985

Type

Invention Patent

Filing

08/21/1985

Publication

06/10/1986

Progress at the INPI

  1. Filing08/21/85
  2. Publication06/10/86
  3. Examination08/26/86
  4. Allowance12/13/88
  5. Grant09/26/89
  6. Terminated08/08/95

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Boge Gmbh

DE

See this company's full portfolio

Inventors

B. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 32 466.6 · 09/04/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

06/10/1986

RPI 816

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

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