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Official data from INPI

PÓ CERÂMICO PARA REVESTIMENTO DE METAIS FERROSOS POR PULVERIZAÇÃO À CHAMA.

DeferidaInvention Patent

Application data

Number

PI8303188

Type

Invention Patent

Filing

06/13/1983

Publication

01/31/1984

Progress at the INPI

  1. Filing06/13/83
  2. Publication01/31/84
  3. Examination11/12/85
  4. Allowance10/03/89
  5. Grant05/29/90
  6. Terminated08/29/95

The patent was granted on 05/29/1990 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

B. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

388.263 · 06/14/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

10/11/1988

RPI 938

6.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Republicação - classificação IPC

#15.11

10/23/1984

RPI 731

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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