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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU6001849

Type

Utility Model

Filing

06/16/1980

Publication

-

Progress at the INPI

  1. Filing06/16/80
  2. Publication
  3. Examination02/16/82
  4. Allowance02/17/87
  5. Grant09/29/87
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

05/31/1988

RPI 919

Pedido de licença compulsória

#20.1

04/05/1988

RPI 911

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Republicação - classificação IPC

#15.11

06/09/1987

RPI 868

Deferimento

#9.1

02/17/1987

RPI 852

15.10

10/29/1986

RPI 836

Conhecimento de parecer técnico

#7.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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