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Official data from INPI

PROCESSO PARA FABRICAR OBJETOS CÔNCAVOS, E, FERRAMENTA UTILIZADA NO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8404500

Type

Invention Patent

Filing

09/06/1984

Publication

04/15/1986

Progress at the INPI

  1. Filing09/06/84
  2. Publication04/15/86
  3. Examination11/11/86
  4. Allowance09/08/87
  5. Grant06/28/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. D. (pessoa física)

João JosŠ Henrique Schmidt.

SP, BR

Inventors

H. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

08/30/1988

RPI 932

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

11/11/1986

RPI 838

Publicação do pedido de patente

#3.1

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Carta-patente expirada

#21.1

Patente extinta em 06/09/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

11/24/1992

RPI 1147

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