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Official data from INPI

DISPOSITIVO PARA COMPACTAR DETRITOS BIONOCIVOS

ConcedidaInvention Patent

Application data

Number

PI8206765

Type

Invention Patent

Filing

11/25/1981

Publication

10/04/1983

Progress at the INPI

  1. Filing11/25/81
  2. Publication10/04/83
  3. Examination03/07/84
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Terminated10/16/90

The patent was granted on 02/04/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NUKEM GMBH [DE]

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Inventors

K. W. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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