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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8105100

Type

Invention Patent

Filing

08/07/1981

Publication

04/20/1982

Progress at the INPI

  1. Filing08/07/81
  2. Publication04/20/82
  3. Examination08/24/82
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Terminated09/13/94

The patent was granted on 04/30/1985 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Markisches Werk GmbH.

DE

Inventors

P. J. (pessoa física)

W. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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