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Official data from INPI

CONJUNTO DE MANCAL E MANCAL DE EMPUXO APERFEIÇOADOS

Em AnáliseInvention Patent

Application data

Number

PI8605142

Type

Invention Patent

Filing

10/21/1986

Publication

07/21/1987

Progress at the INPI

  1. Filing10/21/86
  2. Publication07/21/87
  3. Examination01/12/88
  4. Allowance05/28/91
  5. Grant11/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 01/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reliance Electric Company

US

Inventors

H. H. (pessoa física)

US

P. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

790.188 · 10/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/12/1988

RPI 899

Publicação do pedido de patente

#3.1

07/21/1987

RPI 874

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 21/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

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