Studded tyre having grooves
US-2024375454-A1 · Nov 14, 2024 · US
Pneumatic tire
US8991452B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8991452-B2 |
| Application number | US-201213718681-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 18, 2012 |
| Priority date | Dec 29, 2011 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A pneumatic tire includes a tread having a center main groove and a pair of shoulder main grooves, a pair of center portions between the center main groove and the shoulder main grooves, and a pair of shoulder portions between the shoulder main groove and tread edges. Each center portion includes: center lateral grooves extending from the shoulder main groove toward the axially inside of the tire without reaching the center main groove so as to have an axially inner end thereof on the center portion with an angle of 35 to 65 degrees with respect to an axial direction of the tire; center lateral sipes extending from axially inner ends of the center lateral grooves to the center main groove in the same inclination direction as the center lateral groove at an angle of 35 to 65 degrees with respect to an axial direction of the tire.
First claim
Opening claim text (preview).
The invention claimed is: 1. A pneumatic tire comprising a tread portion provided with a circumferentially extending center main groove and a pair of circumferentially extending shoulder main grooves disposed axially outside the center groove to form a pair of center portions each of which is between the center main groove and the shoulder main groove, and a pair of shoulder portions each of which is between the shoulder main groove and a tread edge, each said center portion i…
Assignees
Inventors
Classifications
- B60C11/0306Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8991452B2 cover?
- A pneumatic tire includes a tread having a center main groove and a pair of shoulder main grooves, a pair of center portions between the center main groove and the shoulder main grooves, and a pair of shoulder portions between the shoulder main groove and tread edges. Each center portion includes: center lateral grooves extending from the shoulder main groove toward the axially inside of the ti…
- Who is the assignee on this patent?
- Sumitomo Rubber Ind
- What technology area does this patent fall under?
- Primary CPC classification B60C11/0306. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).