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Official data from INPI

FECHO DE CORDÃO

PublicadaInvention Patent

Application data

Number

PI8802167

Type

Invention Patent

Filing

04/29/1988

Publication

12/06/1988

Progress at the INPI

  1. Filing04/29/88
  2. Publication12/06/88
  3. Examination11/13/90
  4. Allowance04/28/92
  5. Grant01/26/93
  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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

See this company's full portfolio

Inventors

R. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

62-66288 · 05/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/06/1988

RPI 946

Pedido de patente depositado

#2.1

09/20/1988

RPI 935

Carta-patente expirada

#21.1

Patente extinta em 29/04/2003

09/02/2008

RPI 1965

20.4

09/26/1995

RPI 1295

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

10/06/1992

RPI 1140

Deferimento

#9.1

04/28/1992

RPI 1117

15.5

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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