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Official data from INPI

APERFEIÇOAMENTO EM ROLHA DE AGLOMERADO DE CORTIÇA , PARA VEDAÇÃO .

Em AnáliseUtility Model

Application data

Number

MU5901117

Type

Utility Model

Filing

08/27/1979

Publication

-

Progress at the INPI

  1. Filing08/27/79
  2. Publication
  3. Examination
  4. Allowance09/14/82
  5. Grant03/29/83
  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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMORIM & COELHO S/A CORTIÇAS E DECORAÇÕES

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

04/05/1988

RPI 911

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/14/1982

RPI 621

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Pedido de certificado de adição de invenção

#5.1

11/03/1981

RPI 576

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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