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Official data from INPI

UNIDADE DE LÂMINA DE BARBEAR

PublicadaInvention Patent

Application data

Number

PI8804316

Type

Invention Patent

Filing

08/24/1988

Publication

03/21/1989

Progress at the INPI

  1. Filing08/24/88
  2. Publication03/21/89
  3. Examination06/11/91
  4. Allowance03/09/93
  5. Grant08/31/93
  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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. H. (pessoa física)

DE

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Inventors

W. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

G8711505.0 · 08/25/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/21/1989

RPI 961

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

Carta-patente expirada

#21.1

Patente extinta em 24/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/29/1993

RPI 1178

Deferimento

#9.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

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