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Official data from INPI

Processo de produzir grânulos acumulados de um núcleo e de um invólucro.

ConcedidaInvention Patent

Application data

Number

PI8102916

Type

Invention Patent

Filing

05/11/1919

Publication

02/02/1982

Progress at the INPI

  1. Filing05/11/19
  2. Publication02/02/82
  3. Examination09/21/82
  4. Allowance05/08/84
  5. Grant11/27/84
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 01/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

BE

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

8002738 · 05/12/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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