The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 1978
Filed:
Sep. 15, 1976
Applicant:
Inventor:
Herbert Zimmer, Friedrichshafen, DT;
Assignee:
Dornier GmbH, , DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
244 / ;
Abstract
This invention relates to an improvement in an airplane having two superposedly-arranged upper and lower sweptback wings which together form a closed frame, with reference to a front view thereof, the improvement comprising a rhombic shape of the frame with the upper wing having a negative V-position and the lower wing having a positive V-position, both of the wings being rearwardly sweptback, and the upper wing being more markedly sweptback than the lower wing, and at least the leading edge of the upper wing being positioned forward of the lower wing.