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:
Mar. 09, 2010
Filed:
Feb. 05, 2007
Applicants:
William James Fienup, St. Louis, MO (US);
Barry Kudrowitz, Delray Beach, FL (US);
David Wallace, Lexington, MA (US);
Inventors:
William James Fienup, St. Louis, MO (US);
Barry Kudrowitz, Delray Beach, FL (US);
David Wallace, Lexington, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41B 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A toy projectile launching device for launching toy projectiles includes a spring shaped as a hollow hemisphere that is capable of being at least partially inverted from a primary normally convex position to a secondary at least partially inverted loaded position. Upon release, the spring snaps back to the primary position, thereby launching the toy projectile.