US3114668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated optical screens and their production
Assignee: Corning Glass Works
•
Filing: 1961-05-26
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Granted: 1963-12-17
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Glen A Guiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:22
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/185; H01J29/86; H01J29/89; H01J29/896; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
AN OPTICAL SCREEN COMPRISING AS ITS VEIWING SURFACE, A THERMALLY VITRIFIED COATING HAVING A DROPLET PATTERN AND COMPOSED OF A SODIUM BOROSILICATE MATERIAL.
Claim 2
Dependent Claim
23 words
AN OPTICAL SCREEN COMPRISING AS ITS VEIWING SURFACE, A THERMALLY VITRIFIED COATING HAVING A DROPLET PATTERN AND COMPOSED OF A SODIUM BOROSILICATE MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |