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Official data from INPI

TAMPA DE BARBEADOR E PROCESSO PARA MOLDAGEM DE INJEÇÃO SEQUENCIAL DE UMA TIRA LUBRIFICANTE

PublicadaInvention Patent

Application data

Number

PI8800138

Type

Invention Patent

Filing

01/15/1988

Publication

08/23/1988

Progress at the INPI

  1. Filing01/15/88
  2. Publication08/23/88
  3. Examination01/02/91
  4. Allowance09/22/92
  5. Grant05/25/93
  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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Warner-Lambert Company

US

See this company's full portfolio

Inventors

D. B. (pessoa física)

US

V. M. (pessoa física)

US

W. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

003.972 · 01/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

08/16/1988

RPI 930

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 15/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

12/10/1991

RPI 1097

Solicitação de exame técnico

#4.1

01/02/1991

RPI 1048

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