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Official data from INPI

CONTRA-PESO PARA MOTOR ELÉTRICO DE UM COMPRESSOR HERMÉTICO DE ALTA PRESSÃO INTERNA

PublicadaInvention Patent

Application data

Number

PI8707208

Type

Invention Patent

Filing

12/29/1987

Publication

07/25/1989

Progress at the INPI

  1. Filing12/29/87
  2. Publication07/25/89
  3. Examination07/23/91
  4. Allowance10/19/93
  5. Grant06/28/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Empresa Brasileira de Compressores S/A - Embraco

SC, BR

See this company's full portfolio

Inventors

C. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/25/1989

RPI 979

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 29/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/19/1993

RPI 1194

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

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