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Official data from INPI

CONJUNTO DE ÊMBOLO-CILINDRO.

ConcedidaInvention Patent

Application data

Number

PI8206496

Type

Invention Patent

Filing

11/09/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/09/82
  2. Publication09/27/83
  3. Examination09/03/85
  4. Allowance09/08/87
  5. Grant04/26/88
  6. Terminated06/26/90

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Werner Looser Maschinenbau + Hydraulik

Inventors

H. L. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

7 228/81 · 11/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

09/09/1986

RPI 829

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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