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Official data from INPI

SEM TITULO

PublicadaInvention Patent

Application data

Number

PI8604192

Type

Invention Patent

Filing

09/02/1986

Publication

11/17/1987

Progress at the INPI

  1. Filing09/02/86
  2. Publication11/17/87
  3. Examination07/24/90
  4. Allowance07/16/91
  5. Grant11/24/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M & FC Holging Company Inc

US

Inventors

D. W. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/17/1987

RPI 891

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Carta-patente expirada

#21.1

Patente extinta em 02/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/24/1992

RPI 1147

14.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

11/12/1991

RPI 1093

Deferimento

#9.1

07/16/1991

RPI 1076

Exigência - art. 36 da LPI

#6.1

03/05/1991

RPI 1057

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

11.8

05/08/1990

RPI 1017

Arquivamento - Art. 33 da LPI

#11.1

02/13/1990

RPI 1006

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