Means for protecting underground tanks from damage by dipsticks
US4340009A · kind A · utility
2Cited by
1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1980 |
| Grant date | Jul 20, 1982 |
| Priority date | — |
| Expiry date | Sep 18, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An open-top, generally cylindrical housing including a bottom plate is droppable down the fill tube of an underground tank. A striking plate is resiliently supported in the housing by a coil spring or other resilient member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.