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Official data from INPI

MISTURA UNIFORME, PROCESSOS PARA REVESTIR UM SUBSTRATO E A SUPERFÍCIE DE UMA ESTRUTURA

ConcedidaInvention Patent

Application data

Number

PI8204432

Type

Invention Patent

Filing

07/29/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing07/29/82
  2. Publication07/19/83
  3. Examination05/07/85
  4. Allowance03/07/89
  5. Grant08/29/89
  6. Terminated12/20/94

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

M. M. (pessoa física)

US

Technical data

Priority claims

US

288.278 · 07/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

03/07/1989

RPI 959

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

07/19/1983

RPI 665

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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