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Official data from INPI

HIDROCAPACITOR

Prazo de SigiloInvention Patent

Application data

Number

PI8903754

Type

Invention Patent

Filing

07/10/1989

Publication

01/15/1991

Progress at the INPI

  1. Filing07/10/89
  2. Publication01/15/91
  3. Examination04/27/93
  4. Allowance07/26/94
  5. Grant04/25/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. E. (pessoa física)

PE, BR

Inventors

F. E. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/21/1989

RPI 996

Carta-patente expirada

#21.1

Patente extinta em 10/07/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/22/1994

RPI 1251

Deferimento

#9.1

07/26/1994

RPI 1234

Exigência - art. 36 da LPI

#6.1

05/10/1994

RPI 1223

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

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