Manual pressure breaking seal and breaking pattern
US4949857A · kind A · utility
20Cited by
4References
2Claims
0Family size
Inventor
Key dates
| Filing date | Dec 5, 1988 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Dec 5, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2577/2091
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bottle seal that can be manual pressure broken after bottle cap is removed and the spigot end of the oil bottle is entered into the engine oil filler opening in a breakable pattern that retains the seal affixed to the empty oil bottle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.