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Official data from INPI

PROCESSO DE AMACIAMENTO PARA PELES CONSERVADAS QUE SERVEM PARA A PRODUCAO DE COURA, EM LIQUIDO AQUOSO

Em AnáliseInvention Patent
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Application data

Number

PI8006897

Type

Invention Patent

Filing

11/03/1979

Publication

-
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Progress at the INPI

  1. Filing11/03/79
  2. Publication
  3. Examination03/29/83
  4. Allowance12/04/84
  5. Grant05/28/85
  6. Terminated07/12/88

The patent was granted on 05/28/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROEHM GMBH

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Inventors

M. R. (pessoa física)

P. (pessoa física)

Technical data

IPC Classification

C14C 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/04/1984

RPI 737

Exigência - art. 36 da LPI

#6.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

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