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Official data from INPI

REVESTIMENTO CIRÚRGICO DE PELÍCULA DELGADA

Em AnáliseInvention Patent

Application data

Number

PI8400330

Type

Invention Patent

Filing

01/26/1984

Publication

08/28/1984

Progress at the INPI

  1. Filing01/26/84
  2. Publication08/28/84
  3. Examination10/14/86
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 10/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

L. B. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

461.405 · 01/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/14/1986

RPI 834

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Carta-patente expirada

#21.1

Patente extinta em 26/01/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

02/05/1991

RPI 1053

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