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Official data from INPI

DISPOSITIVO PARA A PREPARACAO DESCONTINUA DE ESPUMA EM BLOCO

Em AnáliseInvention Patent

Application data

Number

PI8000183

Type

Invention Patent

Filing

01/13/1979

Publication

-

Progress at the INPI

  1. Filing01/13/79
  2. Publication
  3. Examination08/24/82
  4. Allowance12/20/83
  5. Grant07/30/85
  6. Terminated06/21/88

The patent was granted on 07/30/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

See this company's full portfolio

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

201

10/29/1986

RPI 836

Pedido de licença voluntária

#17.1

04/15/1986

RPI 808

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

06/18/1985

RPI 765

110

03/26/1985

RPI 753

Recurso

#12.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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