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Official data from INPI

PROCESSO PARA CONTROLE DE HELMINTOS EM TERRA PASTORIL E PROCESSO PARA A PRODUCAO DE UM DISPOSITIVO USADO NO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI7903591

Type

Invention Patent

Filing

06/06/1979

Publication

-

Progress at the INPI

  1. Filing06/06/79
  2. Publication
  3. Examination
  4. Allowance07/27/82
  5. Grant02/22/83
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PFIZER

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Inventors

D. D. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

07/27/1982

RPI 614

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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