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Official data from INPI

COMPOSIÇÃO DE REVESTIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8404587

Type

Invention Patent

Filing

09/13/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing09/13/84
  2. Publication03/25/86
  3. Examination04/26/88
  4. Allowance07/11/89
  5. Grant02/06/90
  6. Terminated06/27/95

The patent was granted on 02/06/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

M. W. (pessoa física)

US

Technical data

Priority claims

US

576.353 · 02/02/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

11/20/1984

RPI 735

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09D 3/80; B05D 7/14.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

Concessão da patente

#16.1

02/06/1990

RPI 1005

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