Patent US-1918-1452641

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Sources

  • Patent 1452641 document and bibliographic info on espacenet
  • Patent 1452641 at google patents
  • Inventor location: Dayton, Ohio (according to the original patent document); Hamilton county, OH (FIPSloc=39061), Montgomery county, OH (FIPSloc=39113)
  • Witnesses as shown on the final text page: F. O. Clements and Thomas Midgley, Jr. As usual we are presented with handwriting legibility challenges vis-à-vis witnesses as shown on the document challenges. Witnesses are not always crucial, though we do see recurring names, along with sporadic hints at international or purely American corporate phenomena by way of these. In the case of this patent the names of the patent attorneys are legible, and represent a firm we already have on hand.

The inventor, James M. H. Jacobs, is the assignor, “BY MESNE ASSIGNMENTS”, to Dayton-Wright Company, of Dayton, Ohio, and this latter is a Corporation of Delaware.


Year filed 1918
Year granted 1923
Office US
Patent number 1452641
Inventors James M. H. Jacobs
Inventor country US
Inventor location
Applicant person
Applicant firm Dayton-Wright Company
Applicant type COMPANY
Applicant is inventor? No
Original title Aeroplane wing
English title Aeroplane wing
Tech fields airplane, wings
Filing date 1918/09/20
Full specification filed date
Application number 25495218
Grant date 1923/04/24
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number 254952
Patent agent Kerr, Page, Cooper & Haywood
Assigned to Dayton-Wright Company
National tech categories
IPCs IPC B64C3/00
CPCs CPC B64C3/00, CPC B64C2700/6233
Family year 1918
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 49047213
INPADOC family ID 44606312
Number of text pages 3
Number of diagram pages 2
Number of figures 7
Number of claims 6