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Official data from INPI

AGENTE DE LAVAGEM ISENTO DE FOSFATO E PROCESSO PARA A SUA OBTENÇÃO.

ConcedidaInvention Patent

Application data

Number

PI7906598

Type

Invention Patent

Filing

10/11/1979

Publication

-

Progress at the INPI

  1. Filing10/11/79
  2. Publication
  3. Examination04/06/82
  4. Allowance07/12/88
  5. Grant02/28/89
  6. Terminated01/28/92

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

H. A. (pessoa física)

DE

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Inventors

B. M. (pessoa física)

J. D. (pessoa física)

K. J. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 44 455.5 · 10/12/1978

DE

P 29 08 305.4 · 03/03/1979

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

08/18/1987

RPI 878

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

Solicitação de exame técnico

#4.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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