Portable locator including a ground marking arrangement
US6723375B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Dec 29, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/0232
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved portable locator is described which is configured for locating relative to a position beneath the surface of the ground. The improvement includes a marking arrangement for marking the surface of the ground. In one aspect, the portable locator is configured having a marking arrangement which utilizes a replaceable aerosol paint canister. Spray of paint from the canister may be initiated, for example, electrically or using a suitable mechanical actuation linkage. In another aspect, an operator of the portable locator is able to mark the surface of the ground using the portable locator and while holding the portable locator in generally the same position and/or stance as the locator is used for locating purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.