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Official data from INPI

APERFEIÇOAMENTO EM COMPRESSOR HERMÉTICO DE EIXO HORIZONTAL

PublicadaInvention Patent

Application data

Number

PI8702433

Type

Invention Patent

Filing

05/13/1987

Publication

11/29/1988

Progress at the INPI

  1. Filing05/13/87
  2. Publication11/29/88
  3. Examination12/18/90
  4. Allowance03/03/92
  5. Grant03/30/93
  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: 11/29/1988. 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

L. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 13/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/03/1992

RPI 1109

Solicitação de exame técnico

#4.1

12/18/1990

RPI 1046

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