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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8003400

Type

Invention Patent

Filing

05/30/1980

Publication

-
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Progress at the INPI

  1. Filing05/30/80
  2. Publication
  3. Examination
  4. Allowance06/05/84
  5. Grant12/26/84
  6. Terminated11/03/93

The patent was granted on 12/26/1984 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Toyo Soda Manufacturing Co. Ltd.

JP

Inventors

K. K. (pessoa física)

K. K. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

C07C 17/14C07C 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/05/1984

RPI 711

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

6.2

11/16/1982

RPI 630

Anuidade - prazo legal encerrado

#18.2

11/03/1993

RPI 1196

18.8

05/22/1990

RPI 1019

Anuidade - prazo legal encerrado

#18.2

04/10/1990

RPI 1013

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