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Official data from INPI

EIXO COMPOSTO, E PROCESSO PARA SUA FABRICAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905556

Type

Invention Patent

Filing

10/31/1989

Publication

05/29/1990

Progress at the INPI

  1. Filing10/31/89
  2. Publication05/29/90
  3. Examination09/18/90
  4. Allowance06/09/92
  5. Grant03/30/93
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

DE

See this company's full portfolio

Inventors

H. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3837291.6 · 11/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

10/27/1992

RPI 1143

Deferimento

#9.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

Publicação do pedido de patente

#3.1

05/29/1990

RPI 1020

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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