View source for Patent US-1818-1274679

{{Patent
|Year filed=1917
|Year granted=1918
|Office=US
|Patent number=Everard Richard Calthrop‎‎
|Inventors=Everard Richard Calthrop‎‎
|Inventor country=GB
|Applicant person=Everard Richard Calthrop‎‎
|Applicant type=INDIV
|Applicant is inventor=
|Original title=Parachute-launching device
|English title=Parachute-launching device
|Tech field=parachutes
|Filing date=
|Full specification filed date=
|Application number=
|Grant date=
|Granted=
|Publication date=
|Supplementary to=
|Related to aircraft=-1
|Serial number=
|Patent agent=
|Assigned to=
|National tech categories=
|IPCs=
|CPCs=CPC B64D1/02 (EP, US)
|Family year=
|First filing=
|Number of citations=
|Cites these patents=
|Application ID=
|INPADOC family ID=
|Number of text pages=4
|Number of diagram pages=3
|Number of figures=7
|Number of claims=6
}}

=== Sources ===
* [https://worldwide.espacenet.com/publicationDetails/biblio?CC=US&NR=1274679A&KC=A&FT=D&ND=3&date=19180806&DB=EPODOC&locale=en_EP# Bibliographical data via Espacenet]
* [https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=1274679A&KC=A&FT=D&ND=3&date=19180806&DB=EPODOC&locale=en_EP# Original via Espacenet]
* Inventor location: