Security box for a water heater thermostat
USD288069S · kind S · design
3Cited by
5References
1Claims
0Family size
Inventors
Key dates
| Filing date | May 16, 1983 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Feb 3, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.