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Official data from INPI

ROLO REGULADOR DE DEFORMAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8704296

Type

Invention Patent

Filing

08/19/1987

Publication

-

Progress at the INPI

  1. Filing08/19/87
  2. Publication
  3. Examination09/13/88
  4. Allowance01/14/92
  5. Grant10/27/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kleinewefers Gmbh

DE

See this company's full portfolio

Inventors

D. P. (pessoa física)

DE

R. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 28 277.4 · 08/20/1986

DE

P 36 32 906.1 · 09/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Pedido de patente depositado

#2.1

11/10/1987

RPI 890

Carta-patente expirada

#21.1

Patente extinta em 19/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

06/02/1992

RPI 1122

Deferimento

#9.1

01/14/1992

RPI 1102

Exigência - art. 36 da LPI

#6.1

07/02/1991

RPI 1074

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