Rays Engineering Co., Ltd.
Records under this name other than the patents Rays Engineering Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 2 patents it holds.
Showing 1 to 6 of 6 · Back to Rays Engineering Co., Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,662,960 | Method for vibration polishing vehicle wheel Lapsed on the fee record Ended Mar 4, 2018 · From the USPTO record | Lapsed on the fee record | Ended Mar 4, 2018 | From the USPTO record |
| US 5,454,248 | Method of shaping a wheel Term ended Term ended no later than Oct 3, 2015 · Low confidence | Term ended | Term ended no later than Oct 3, 2015 | Low confidence |
| US 5,531,088 | Rotary forging apparatus Term ended Term ended no later than Jul 2, 2016 · Low confidence | Term ended | Term ended no later than Jul 2, 2016 | Low confidence |
| US 5,537,850 | Method of shaping a wheel Term ended Term ended no later than Jul 23, 2016 · Low confidence | Term ended | Term ended no later than Jul 23, 2016 | Low confidence |
| US D350,088 | Bicycle hub Term ended | Term ended | ||
| US D350,922 | Bicycle hub Term ended | Term ended |