USPC 244/95

USPC 244/95 is for Ballast making': Devices on aircraft for producing heavy material for ballast purposes. An example is the production of water-ballast from exhaust gases to replace the weight of fuel used.

References

Patents in this category

• Patent US-1910-1071180 (Applicant person: Alfred Arnold Remington, Applicant firm: Vickers Ltd.)
• Patent US-1913-1076060 (Applicant firm: Goodyear Tire & Rubber)

Enclosing categories	USPC 244/93
Subcategories
Keywords
Start year
End year