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Official data from INPI

PROCESSO PARA PRODUÇÃO DE FIBRAS INORGÂNICAS OCAS

ConcedidaInvention Patent

Application data

Number

PI7902973

Type

Invention Patent

Filing

05/15/1979

Publication

-

Progress at the INPI

  1. Filing05/15/79
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

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Inventors

E. D. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Conhecimento de parecer técnico

#7.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

Pedido de licença compulsória

#20.1

10/20/1992

RPI 1142

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