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Official data from INPI

DISPOSICOES EM REGISTRO DE AGUA

Em AnáliseInvention Patent

Application data

Number

PI7704081

Type

Invention Patent

Filing

06/23/1977

Publication

-

Progress at the INPI

  1. Filing06/23/77
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant11/29/83
  6. Expired07/13/93

The letters patent expired on 07/13/1993: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. E. (pessoa física)

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Inventors

T. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

312

04/30/1985

RPI 758

300

11/13/1984

RPI 734

201

07/17/1984

RPI 717

Pedido de licença voluntária

#17.1

02/21/1984

RPI 696

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/23/1983

RPI 670

110

05/31/1983

RPI 658

Recurso

#12.1

11/16/1982

RPI 630

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

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