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Official data from INPI

CONJUNTO DE LÂMINAS

PublicadaInvention Patent

Application data

Number

PI8706785

Type

Invention Patent

Filing

12/14/1987

Publication

07/11/1989

Progress at the INPI

  1. Filing12/14/87
  2. Publication07/11/89
  3. Examination09/03/91
  4. Allowance11/17/92
  5. Grant06/29/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Warner-Lambert Company

US

See this company's full portfolio

Inventors

F. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

109.061 · 10/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/11/1989

RPI 977

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 14/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

09/03/1991

RPI 1083

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