Lawn dart
US7874947B1 · kind B1 · utility
28Cited by
16References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2007 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | May 27, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H33/18
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
In one embodiment there is provided a lawn dart having a shaft that connects to a head assembly at one end thereof. A sleeve is mounted coaxially about the shaft. The sleeve has an inner profile that matches a predetermined cross-section of the sleeve such that the sleeve is capable of axially movement and not capable of rotationally movement relative to the shaft. A plurality of fins is mounted on the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.