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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM MATERIAL COAGULADO E MATERIAL COAGULADO ASSIM OBTIDO.

DeferidaInvention Patent

Application data

Number

PI8502654

Type

Invention Patent

Filing

06/03/1985

Publication

02/12/1986

Progress at the INPI

  1. Filing06/03/85
  2. Publication02/12/86
  3. Examination04/05/88
  4. Allowance10/31/89
  5. Grant10/30/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stahl Holland B.V.

NL

Inventors

D. S. (pessoa física)

NL

L. H. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8401784 · 06/04/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

08/13/1985

RPI 773

Carta-patente expirada

#21.1

Patente extinta em 03/06/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/30/1990

RPI 1039

14.4

08/14/1990

RPI 1028

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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