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Official data from INPI

ARO PARA PROTECAO DE ORIFICIO COM BORDOS AFIADOS E MONTAGEM RESPECTIVA

Em AnáliseInvention Patent

Application data

Number

PI7707489

Type

Invention Patent

Filing

11/15/1976

Publication

-

Progress at the INPI

  1. Filing11/15/76
  2. Publication
  3. Examination
  4. Allowance01/04/83
  5. Grant09/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CATERPILLAR TRACTOR CO

See this company's full portfolio

Inventors

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/12/1988

RPI 912

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/04/1983

RPI 637

8.1

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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