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Official data from INPI

MOTOR COM PISTÕES ROTATIVOS

ConcedidaInvention Patent

Application data

Number

PI8204519

Type

Invention Patent

Filing

07/30/1982

Publication

05/03/1983

Progress at the INPI

  1. Filing07/30/82
  2. Publication05/03/83
  3. Examination09/06/83
  4. Allowance07/01/86
  5. Grant03/17/87
  6. Terminated12/20/94

The patent was granted on 03/17/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

SP, BR

S. S. (pessoa física)

SP, BR

Inventors

I. S. (pessoa física)

BR

S. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

100

07/01/1986

RPI 819

120

12/31/1985

RPI 793

Petição de recurso

#12.2

04/09/1985

RPI 755

Indeferimento

#9.2

12/11/1984

RPI 738

14.2

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Publicação antecipada

#3.2

05/03/1983

RPI 654

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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