Patent GB-1917-127843

"127,843. Springsted, G. W., and Berry, C. M. May 26, 1917. Moulding propellers.-A hollow metal propeller formed in sections has its blades covered with a carbonaceous material. Such a blade is shown in Fig. 2, which also shows a heated mould for pressing the carbonaceous material after it is applied to the blade."

• Tech class CPC B64C11/205: Constructional features for protecting blades, e.g. coating
• Inventor location:

Patent family descending from Patent GB-1917-127843

• Patent GB-1917-127843 (English title: An Improved Propeller, Filing date: 1917-05-26)

Propeller refinements FR FR494954A George William Springsted Jb Charles Mccluskey Berry Priority 1915-07-31 • Filed 1917-06-22 • Granted 1919-09-25 • Published 1919-09-25

• Inventor locations: Springsted, Jr., Superintendent; Berry, Engineer; both of 71 W. 23rd Street, NYC

Sources

• Original patent document and bibliography entry on espacenet
• Patent GB127843A on google patents

Year filed	1917
Year granted	1917
Office	GB
Patent number	127843
Inventors	George William Springsted, Charles Mccluskey Berry
Inventor country	US
Inventor location	NYC
Applicant person	George William Springsted, Charles Mccluskey Berry
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	An Improved Propeller
English title	An Improved Propeller
Tech fields	propeller
Filing date	1917-05-26
Full specification filed date
Application number	763817
Grant date	1919-06-19
Granted?	1
Publication date
Supplementary to patent
Related to aircraft?	1
Serial number	7638
Patent agent	Hy. Fairbrother
Assigned to
National tech categories
IPCs	IPC B64C11/20
CPCs	CPC B64C11/205
Family year	1917
First filing?	1
Cites these patents
Citations from after 1930	0
Application ID	21208251
INPADOC family ID	23981096
Number of text pages	2
Number of diagram pages	1
Number of figures	4
Number of claims	4