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Official data from INPI

FILTRO MODULAR BIOLÓGICO PARA AQUÁRIOS

Em AnáliseUtility Model

Application data

Number

MU6100098

Type

Utility Model

Filing

01/26/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing01/26/81
  2. Publication08/31/82
  3. Examination11/09/82
  4. Allowance12/20/83
  5. Grant07/31/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

R. Z. (pessoa física)

SP, BR

Inventors

R. C. (pessoa física)

Z. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.3

11/28/1989

RPI 997

18.1

08/08/1989

RPI 981

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Licença compulsória (variante)

#20.2

08/28/1990

RPI 1030

114

06/05/1990

RPI 1021

18.5

04/10/1990

RPI 1013

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