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Official data from INPI

LENTE DE RAIOS

Prazo de SigiloInvention Patent

Application data

Number

PI8803971

Type

Invention Patent

Filing

07/15/1988

Publication

03/20/1990

Progress at the INPI

  1. Filing07/15/88
  2. Publication03/20/90
  3. Examination10/16/90
  4. Allowance06/28/94
  5. Grant03/28/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Leopold Kostal GmbH & Co. Kg

DE

See this company's full portfolio

Inventors

G. W. (pessoa física)

DE

N. B. (pessoa física)

DE

P. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3806879.6-51 · 03/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Carta-patente expirada

#21.1

Patente extinta em 15/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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