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Official data from INPI

SISTEMA CATALISADOR ORGANO-ESTANHO PARA CATALISAR A FORMACAO DE COMPOSTOS DE URETANA COMPOSICAO EM DUAS PARTES CAPAZ DE FORMAR UM GEM DE POLIURETANA E PROCESSO PARA ENCHER UM FECHAMENTO DE EMENDA DE CUBO DE COMUNICACAO CONTENDO UM CONETOR DE POLICARBONATO

ConcedidaInvention Patent

Application data

Number

PI7703015

Type

Invention Patent

Filing

05/11/1976

Publication

-

Progress at the INPI

  1. Filing05/11/76
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant06/28/83
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Exigência - art. 36 da LPI

#6.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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