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Official data from INPI

PROCESSO DE PREPARACAO DE PRODUTOS FLUORADOS

ConcedidaInvention Patent

Application data

Number

PI8102329

Type

Invention Patent

Filing

04/18/1980

Publication

12/08/1981

Progress at the INPI

  1. Filing04/18/80
  2. Publication12/08/81
  3. Examination03/09/82
  4. Allowance08/13/85
  5. Grant03/25/86
  6. Terminated02/04/92

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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Inventors

B. H. (pessoa física)

C. A. (pessoa física)

T. R. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação do pedido de patente

#3.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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