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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8006732

Type

Invention Patent

Filing

10/20/1980

Publication

06/29/1982

Progress at the INPI

  1. Filing10/20/80
  2. Publication06/29/82
  3. Examination07/24/84
  4. Allowance02/04/86
  5. Grant07/29/86
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inventa Ag Fur Forschung Patentverwertung Zurrich

CH

Inventors

B. [. (pessoa física)

K. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Republicação - classificação IPC

#15.11

01/14/1986

RPI 795

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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