Patent US-1912-1033662

Tech categories:

• CPC F04D29/384 Blades characterised by form
• CPC Y02T70/122 Air lubrication, air cavity systems

Patent family descending from Patent US-1912-1033662

• Patent US-1912-1033662 (English title: Propeller, National tech categories: USPC 416/237 • USPC 114/67A)
• Patent GB-1912-10157 (English title: Propeller, Supplementary to patent: Patent US-1912-1033662)
• Patent FR-1912-444288 (English title: Improvements to propellers, Supplementary to patent: Patent US-1912-1033662, National tech categories: FR 6.2)

• Inventor location: San Antonio, TX, US
• Assignee locations: James W Happle - Sanderson, TX; Robert E Johnson - Pecos, TX; Le Grand Merriman - Pecos, TX; Charles H Merriman - NYC

Sources

• Patent 1033662 document and bibliographic info on espacenet
• Patent 1033662 at google patents

Year filed	1912
Year granted	1912
Office	FR
Patent number	444288
Inventors	David Henderson Blake
Inventor country	US
Applicant person	David Henderson Blake, James W. Happle, Robert E. Johnson, Le Grand Merriman, Charles H. Merriman
Applicant firm
Applicant type	INDIV
Applicant is inventor?	No
Original title	Propeller
English title	Propeller
Tech fields	propellers
Filing date	April 10, 1912
Full specification filed date
Application number
Grant date	July 23, 1912
Granted?	Yes
Publication date
Supplementary to patent
Related to aircraft?	Yes
Serial number	689699
Patent agent
Assigned to	James W Happle, Robert E Johnson, Le Grand Merriman, Charles H Merriman, David H Blake
National tech categories	USPC 416/237, USPC 114/67A
IPCs
CPCs	CPC F04D29/384, CPC Y02T70/122
Family year	1912
First filing?	Yes
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages	2
Number of diagram pages	2
Number of figures	5
Number of claims	3