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US1886280A
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US
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Ultra violet ray transmitting glass and to alpha batch and method for making the same
Assignee: Corning Glass Works
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Filing: 1927-01-17
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Granted: 1932-11-01
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Expires: 1947-01-17
Abstract
No abstract record available.
Inventors
- 👤 Fred M Locke
- 👤 Mercie P Locke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:45
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/0085; C03C3/00; C03C3/04; C03C3/062; C03C3/064; Y; Y10; Y10S; Y10S501/00; Y10S501/90; Y10S501/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-11-01 | 1936-05-02 | 1936-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-01 | 1940-05-02 | 1940-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-01 | 1944-05-02 | 1944-11-01 | $7700.00 | Window Closed / Lapsed |