Bollard drilling jig
US11307013B2 · kind B2 · utility
1Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2020 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Aug 24, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/027
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bollard drilling jig including a base plate, an elongated bar coupled to the base plate, and at least two guide collars spaced apart from each other on the elongated bar. The at least two guide collars each include an interior channel that is sized to receive a drilling tool therethrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.