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Official data from INPI

PROCESSO E APARELHO PARA TESTAR A EFICÁCIA DE COMPOSTO QUÍMICO COMO INIBIDORES DE CROSTA OU REMOVEDORES DE CROSTA

ConcedidaInvention Patent

Application data

Number

PI8100515

Type

Invention Patent

Filing

01/29/1981

Publication

-

Progress at the INPI

  1. Filing01/29/81
  2. Publication
  3. Examination10/18/83
  4. Allowance01/02/85
  5. Grant07/30/85
  6. Terminated08/23/94

The patent was granted on 07/30/1985 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. R. (pessoa física)

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Inventors

K. W. (pessoa física)

Z. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8003268 · 01/31/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Republicação - classificação IPC

#15.11

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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