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Official data from INPI

PROCESSO,E,DISPOSITIVO DE FUMIGACAO

ConcedidaInvention Patent

Application data

Number

PI7903925

Type

Invention Patent

Filing

06/22/1978

Publication

-

Progress at the INPI

  1. Filing06/22/78
  2. Publication
  3. Examination10/20/81
  4. Allowance10/04/88
  5. Grant04/25/89
  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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. W. (pessoa física)

Inventors

A. [. (pessoa física)

F. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

6.2

06/22/1982

RPI 609

Pedido de certificado de adição de invenção

#5.1

04/13/1982

RPI 599

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

Pedido de licença compulsória

#20.1

08/06/1991

RPI 1079

201

12/04/1990

RPI 1044

Pedido de licença voluntária

#17.1

06/19/1990

RPI 1023

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