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Official data from INPI

COLCHÃO MODULADO.

Em AnáliseUtility Model

Application data

Number

MU6000414

Type

Utility Model

Filing

04/11/1980

Publication

-

Progress at the INPI

  1. Filing04/11/80
  2. Publication
  3. Examination
  4. Allowance11/30/82
  5. Grant09/27/83
  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: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Durocrin Colchões Especiais Ltda

Inventors

A. D. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/10/1987

RPI 890

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/10/1983

RPI 655

Deferimento

#9.1

11/30/1982

RPI 632

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

130

01/15/1991

RPI 1050

20.8

05/22/1990

RPI 1019

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