Glass plate production method, glass plate, glass article production method, glass article, and glass article production apparatus
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United States of America Patent
Stats
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Jul 9, 2024
Grant Date -
Feb 25, 2021
app pub date -
Oct 20, 2020
filing date -
Sep 4, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A glass plate, containing: a first main surface and a second main surface opposite to each other, wherein an in-plane void region having a plurality of voids is arranged on the first main surface, a plurality of internal void rows each having one void or two or more voids are arranged from the in-plane void region toward the second main surface, and a cut surface obtained by cutting the glass plate to pass through the in-plane void region and the plurality of internal void rows has a compressive stress layer formed by applying a chemical strengthening treatment in the center of the cut surface.
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International Classification(s)
- 2020 Application Filing Year
- B28D Class
- 106 Applications Filed
- 55 Patents Issued To-Date
- 51.89 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B28D Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 9, 2028 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 9, 2032 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 9, 2036 |
