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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8301186

Type

Invention Patent

Filing

03/09/1983

Publication

05/02/1984

Progress at the INPI

  1. Filing03/09/83
  2. Publication05/02/84
  3. Examination05/14/85
  4. Allowance09/06/88
  5. Grant07/25/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Kendall Company

US

See this company's full portfolio

Inventors

B. E. (pessoa física)

L. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

05/14/1985

RPI 760

Solicitação de exame não realizada

#4.2

01/08/1985

RPI 742

Solicitação de exame não realizada

#4.2

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

04/26/1983

RPI 653

Carta-patente expirada

#21.1

Patente extinta em 09/03/98

07/01/2008

RPI 1956

20.7

09/24/1991

RPI 1086

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