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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8202778

Type

Invention Patent

Filing

05/12/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/12/82
  2. Publication04/19/83
  3. Examination02/20/85
  4. Allowance10/14/86
  5. Grant06/30/87
  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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ingersoll-Rand Company

US

See this company's full portfolio

Inventors

C. B. (pessoa física)

GB

E. K. (pessoa física)

GB

G. F. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8.114.831 · 05/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

08/27/1985

RPI 775

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

3.4

06/07/1983

RPI 659

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

Patente extinta em 12/05/97

07/01/2008

RPI 1956

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