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Official data from INPI

PROCESSO E APARELHO PARA A PRODUCAO DE TIOCARBAMATOS SUBSTITUIDOS

ConcedidaInvention Patent

Application data

Number

PI7808003

Type

Invention Patent

Filing

12/05/1978

Publication

-

Progress at the INPI

  1. Filing12/05/78
  2. Publication
  3. Examination06/22/82
  4. Allowance11/08/83
  5. Grant04/24/84
  6. Expired05/24/94

The letters patent expired on 05/24/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXON ITALIA SPA

Inventors

N. R. (pessoa física)

Technical data

IPC Classification

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

02/28/1984

RPI 697

Deferimento

#9.1

11/08/1983

RPI 681

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

06/22/1982

RPI 609

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 155/02; C07D 295/20.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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