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Official data from INPI

COMPRESSOR HERMÉTICO ROTATIVO DE PISTÃO ROLANTE

Prazo de SigiloInvention Patent

Application data

Number

PI8903352

Type

Invention Patent

Filing

06/30/1989

Publication

01/08/1991

Progress at the INPI

  1. Filing06/30/89
  2. Publication01/08/91
  3. Examination03/30/93
  4. Allowance12/22/98
  5. Grant12/28/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 09/19/1989. 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

09/19/1989

RPI 987

Carta-patente expirada

#21.1

Patente extinta em 28/12/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

12/22/1998

RPI 1459

11.8

05/18/1993

RPI 1172

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Arquivamento - Art. 33 da LPI

#11.1

02/24/1993

RPI 1160

Publicação do pedido de patente

#3.1

01/08/1991

RPI 1049

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