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Official data from INPI

Composição de tinta condutora de cura a quente, e processo para formar um revestimento condutor.

Em AnáliseInvention Patent

Application data

Number

PI8108262

Type

Invention Patent

Filing

12/18/1981

Publication

04/12/1983

Progress at the INPI

  1. Filing12/18/81
  2. Publication04/12/83
  3. Examination12/13/83
  4. Refused04/18/89
  5. Grant
  6. In force

The application was refused on 04/18/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

See this company's full portfolio

Inventors

K. D. (pessoa física)

M. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

241.144 · 03/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

04/18/1989

RPI 965

120

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Petição de recurso

#12.2

10/01/1985

RPI 780

Indeferimento

#9.2

06/25/1985

RPI 766

Conhecimento de parecer técnico

#7.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

12/13/1983

RPI 686

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

02/16/1982

RPI 591

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