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Official data from INPI

PROCESSO PARA A PREPARACAO DE MERCAPTETOS DE METAL ALCALINO-TERROSO

ConcedidaInvention Patent

Application data

Number

PI7808606

Type

Invention Patent

Filing

01/03/1978

Publication

-

Progress at the INPI

  1. Filing01/03/78
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant04/24/84
  6. Terminated01/28/92

The patent was granted on 04/24/1984 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PENNWALT CORP

See this company's full portfolio

Inventors

B. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

6.2

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

Pedido de licença compulsória

#20.1

04/24/1990

RPI 1015

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