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Official data from INPI

PROCESSO PARA PÓS-CURTIMENTO DE COURO

PublicadaInvention Patent

Application data

Number

PI8800253

Type

Invention Patent

Filing

01/25/1988

Publication

09/13/1988

Progress at the INPI

  1. Filing01/25/88
  2. Publication09/13/88
  3. Examination11/27/90
  4. Allowance12/20/94
  5. Grant07/25/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chemische Fabrik Stockhausen GmbH

DE

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Inventors

D. L. (pessoa física)

DE

D. S. (pessoa física)

DE

D. H. (pessoa física)

DE

D. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 02 153.2 · 01/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/13/1988

RPI 934

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 25/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/02/1995

RPI 1274

Deferimento

#9.1

12/20/1994

RPI 1255

Exigência - art. 36 da LPI

#6.1

06/07/1994

RPI 1227

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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