Patents
US 12623495 B2: Directional interlocking sipe and/or slot
- Granted
- 2026-05-12
- Filed
- 2022-10-07 application 18701764
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
In one aspect, a tire is provided, the tire comprising: a tread portion comprising at least one of a tread rib or a tread block, a sipe included in the tread rib or the tread block, wherein the sipe includes a central s-shaped portion located axially between opposing laterally extending straight portions, wherein the sipe includes a plurality of key portions angled in a first circumferential direction, wherein the sipe includes a plurality of return portions angled in a second circumferential direction, wherein the return portions connect the key portions, and wherein a first key portion intersects a tread surface of the tread rib or the tread block. The plurality of key portions are angled at an angle KA, the plurality of return portions are angled at an angle RA, and the ratio of the angle KA to the angle RA is at least 5:1.
Source: PTBLXML, file of 2026-05-12 (ipgb20260512.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Bridgestone Americas Tire Operations, LLC 637 patents | US company or organization | Nashville, TN | PTBLXML, file of 2026-05-12 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Paul J. Wischt, Jr. | Barberton, OH | 3 | PTBLXML, file of 2026-05-12 | |
| David M. Severyn | Uniontown, OH | 31 | PTBLXML, file of 2026-05-12 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B60C | Vehicle tyres; tyre inflation; tyre changing; connecting valves to inflatable elastic bodies in general; devices or arrangements related to tyres | B60C11/1218 | PTBLXML, file of 2026-05-12 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-09-09 | Assignment Assignment of assignor's interest | WISCHT, PAUL J., JR. signed 2022-03-08 SEVERYN, DAVID M. signed 2022-04-07 | BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC NASHVILLE, TN | 68521/681 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.