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Official data from INPI

REVESTIMENTO APERFEICOADO DE CAMADA DUPLA QUE CONTEM PIGMENTO DE FLOCOS DE ALUMINIO, E ARTIGO REVESTIDO

ConcedidaInvention Patent

Application data

Number

PI8008846

Type

Invention Patent

Filing

09/28/1979

Publication

-

Progress at the INPI

  1. Filing09/28/79
  2. Publication
  3. Examination01/17/84
  4. Allowance07/12/88
  5. Grant02/28/89
  6. Terminated09/25/90

The patent was granted on 02/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT

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Inventors

T. D. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Conhecimento de parecer técnico

#7.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

102

11/08/1983

RPI 681

Pedido de recurso

#12.3

07/20/1982

RPI 613

Arquivamento - Art. 34 da LPI

#11.5

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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