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Official data from INPI

APARELHO PARA SUB-RESFRIAMENTO DE UM GÁS LIQUEFEITO

PublicadaInvention Patent

Application data

Number

PI8804459

Type

Invention Patent

Filing

08/31/1988

Publication

03/28/1989

Progress at the INPI

Awaiting grant fee payment
  1. Filing08/31/88
  2. Publication03/28/89
  3. Examination01/15/91
  4. Allowance02/11/92
  5. Grant
  6. In force

The application was allowed by the INPI on 02/11/1992. The grant of the letters patent is being processed.

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Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reynolds Metals Company

US

See this company's full portfolio

Inventors

E. J. (pessoa física)

H. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

091.936 · 09/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/28/1989

RPI 962

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Retificação

#15.3

07/28/1992

RPI 1130

Deferimento

#9.1

02/11/1992

RPI 1106

Solicitação de exame técnico

#4.1

01/15/1991

RPI 1050

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