Difference between revisions of "Patent FR-1912-439581"

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m (Text replacement - "WILLIAMS" to "Williams")
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=== Sources ===
=== Sources ===
* [http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&CC=FR&NR=439581A espacenet]
* {{esp|FR|439581A espacenet]
* Inventor location:
* Inventor location:

Latest revision as of 01:22, November 11, 2019

Year filed 1912
Year granted 1912
Office FR
Patent number 439581
Inventors Sylvester Marcellos Williams
Inventor country US
Applicant person Williams SYLVESTER MARCELLOS
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1912-01-08
Full specification filed date
Application number 439581D
Grant date 1912-06-17
Granted? 1
Publication date
Supplementary to patent
Related to aircraft?
Serial number
Patent agent
Assigned to
National tech categories
CPCs CPC B64C2700/6295, CPC B64C39/00
Family year 1912
First filing? 0
Number of citations
Cited by
Application ID 19258058
INPADOC family ID 5328867
Number of text pages
Number of diagram pages
Number of figures
Number of claims


  • {{esp|FR|439581A espacenet]
  • Inventor location: