US2860059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra-violet light absorbing glass
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1953-09-03
•
Granted: 1958-11-11
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Richard C Molter
- 👤 Howard R Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:00
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C3/085; C03C3/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A CLEAR SUBSTANTIALLY COLORLESS TRANSPARENT SODALIME SILICA GLASS HAVING HIGH ULTRA-VIOLET RAY ABSORBING QUALITIES AND HIGH VISIBLE LIGHT TRANSMITTANCE QUALITIES INCLUDING AS ESSENTIAL INGREDIENTS FROM 0.05% TO 0.50% CEO2, 0.19% TO 1.90% TIO2, AND 0.20% TO 0.60% FE2S3.
Claim 2
Dependent Claim
38 words
A CLEAR SUBSTANTIALLY COLORLESS TRANSPARENT SODALIME SILICA GLASS HAVING HIGH ULTRA-VIOLET RAY ABSORBING QUALITIES AND HIGH VISIBLE LIGHT TRANSMITTANCE QUALITIES INCLUDING AS ESSENTIAL INGREDIENTS FROM 0.05% TO 0.50% CEO2, 0.19% TO 1.90% TIO2, AND 0.20% TO 0.60% FE2S3.
References Cited (Backward Citations)
US2444976A
Cited
US2636420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |