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Official data from INPI

COMPOSIÇAO DE SILICONE PARA MOLDAGENS DENTARIAS

Em AnáliseInvention Patent

Application data

Number

PI8405939

Type

Invention Patent

Filing

11/22/1984

Publication

06/17/1986

Progress at the INPI

  1. Filing11/22/84
  2. Publication06/17/86
  3. Examination06/14/88
  4. Allowance10/22/91
  5. Grant08/25/92
  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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide do Brasil Ltda.

SP, BR

Inventors

T. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/14/1988

RPI 921

14.1

03/15/1988

RPI 908

14.3

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Carta-patente expirada

#21.1

Patente extinta em 22/11/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

08/25/1992

RPI 1134

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Notificação para pagamento de retribuição

#13.1

03/03/1992

RPI 1109

Deferimento

#9.1

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

03/05/1991

RPI 1057

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