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Official data from INPI

PROCESSO PARA INIBIR CORROSAO E INCRUSTACAO E PROCESSO DE PREPARACAO DE COMPOSICOES INIBIDORAS DE CORROSAO E INCRUSTACAO EM SISTEMAS DE AGUA

Em AnáliseInvention Patent

Application data

Number

PI7806956

Type

Invention Patent

Filing

10/25/1977

Publication

-

Progress at the INPI

  1. Filing10/25/77
  2. Publication
  3. Examination
  4. Allowance10/09/84
  5. Grant05/28/85
  6. Terminated07/12/88

The patent was granted on 05/28/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUCKMAN LABOR INC

Inventors

B. J. (pessoa física)

M. G. (pessoa física)

P. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Conhecimento de parecer técnico

#7.1

11/30/1982

RPI 632

5.3

08/17/1982

RPI 617

6.2

12/29/1981

RPI 584

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