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Official data from INPI

APERFEIÇOAMENTO EM COLCHETE

Em AnáliseInvention Patent

Application data

Number

PI8703777

Type

Invention Patent

Filing

07/21/1987

Publication

01/31/1989

Progress at the INPI

  1. Filing07/21/87
  2. Publication01/31/89
  3. Examination07/11/89
  4. Allowance01/22/91
  5. Grant10/29/91
  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

Piter Pan Indústria e Comércio Ltda

SP, BR

Inventors

J. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/11/1989

RPI 977

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 21/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/29/1991

RPI 1091

Republicação - classificação IPC

#15.11

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/22/1991

RPI 1051

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