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Official data from INPI

DISPOSITIVO HIDRAULICO DE FECHAMENTO DA FORMA DE MÁQUINA DE MOLDAÇÃO POR INJEÇÃO.

ConcedidaInvention Patent

Application data

Number

PI7905098

Type

Invention Patent

Filing

08/08/1979

Publication

-

Progress at the INPI

  1. Filing08/08/79
  2. Publication
  3. Examination12/29/81
  4. Allowance09/27/83
  5. Grant12/30/86
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dr. Boy GMBH

Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 34 895.0 · 08/09/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

110

07/08/1986

RPI 820

Recurso

#12.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Pedido de certificado de adição de invenção

#5.1

06/01/1982

RPI 606

Solicitação de exame técnico

#4.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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