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Official data from INPI

COMPRESSOR DE VOLUTA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905401

Type

Invention Patent

Filing

10/24/1989

Publication

04/30/1991

Progress at the INPI

  1. Filing10/24/89
  2. Publication04/30/91
  3. Examination07/27/93
  4. Allowance03/07/95
  5. Grant11/28/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

J. N. (pessoa física)

US

R. D. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

08/08/1995

RPI 1288

Deferimento

#9.1

03/07/1995

RPI 1266

Exigência - art. 36 da LPI

#6.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

04/30/1991

RPI 1065

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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