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Official data from INPI

DISPOSITIVO DE APERTO PARA UMA PLACA OBTURADORA EM UM FECHO DE CORRER PARA O DRENO DE UM RECIPIENTE CONTENDO METAL FUNDIDO.

ConcedidaInvention Patent

Application data

Number

PI8303258

Type

Invention Patent

Filing

06/20/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing06/20/83
  2. Publication02/07/84
  3. Examination07/23/85
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Terminated04/25/95

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Didier-Werke Ag

DE

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Inventors

E. L. (pessoa física)

DE

J. P. (pessoa física)

DE

S. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 32 23 181.4 · 06/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/20/1988

RPI 935

6.2

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

07/23/1985

RPI 770

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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