Element backup
US11713642B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2018 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Aug 2, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/32
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An element backup including a first ring defining an axis; a first parting line through the first ring, the first parting line having a first plurality of generally axially extending segments and a first generally non-axially extending segment extending between the first plurality of axially extending segments; a second ring defining an axis; a second parting line through the second ring, the second parting line having a second plurality of generally axially extending segments and a second generally non-axially extending segment extending between the second plurality of axially extending segments; and an interconnection releasably securing the first and second rings to one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.