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Official data from INPI

Conjunto regulador pré-ajustado

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103209

Type

Invention Patent

Filing

07/23/1991

Publication

02/18/1992

Progress at the INPI

  1. Filing07/23/91
  2. Publication02/18/92
  3. Examination07/06/93
  4. Allowance05/20/97
  5. Grant07/28/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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

T. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

556667 · 07/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/07/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

05/20/1997

RPI 1381

14.4

01/24/1995

RPI 1260

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

02/18/1992

RPI 1107

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