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Official data from INPI

PROCESSO PARA A PREPARACAO DE ESTERES DO ACIDO TIOCARBAMICO

ConcedidaInvention Patent

Application data

Number

PI7706589

Type

Invention Patent

Filing

04/25/1977

Publication

-

Progress at the INPI

  1. Filing04/25/77
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant06/28/83
  6. Terminated01/21/92

The patent was granted on 06/28/1983 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO

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Inventors

P. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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