Low-profile umbrella base
US5354031A · kind A · utility
71Cited by
8References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1993 |
| Grant date | Oct 11, 1994 |
| Priority date | — |
| Expiry date | Mar 29, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S248/91
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An umbrella base comprises a base portion and a neck portion. The base portion has a disc with an upturned annular collar communicating with and extending from the top surface of the disc. The disc and the collar have hollow interiors filled with cement or sand, and has a central bore provided therethrough for receiving the neck of the neck portion. The neck portion further comprises a core coupled to the neck, with a bore provided through the neck and the core for receiving and holding the shaft of an umbrella.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.