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Official data from INPI

SISTEMA DE DESCARGA PARA COMPRESSOR ROTATIVO DE PISTÃO ROLANTE

Prazo de SigiloInvention Patent

Application data

Number

PI8805216

Type

Invention Patent

Filing

10/04/1988

Publication

05/22/1990

Progress at the INPI

  1. Filing10/04/88
  2. Publication05/22/90
  3. Examination07/07/92
  4. Allowance11/03/93
  5. Grant08/30/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 02/08/1989. 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).

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Carta-patente expirada

#21.1

Patente extinta em 04/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

07/07/1992

RPI 1127

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

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