US2599349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Green-colored opal glass
Assignee: Libbey Owens Ford Glass Co
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Filing: 1947-05-23
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Granted: 1952-06-03
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Expires: 1967-05-23
Abstract
No abstract record available.
Inventors
- 👤 Richard W Ricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:58
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/11; C03C3/112; C03C3/115; C03C3/118; C03C4/00; C03C4/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
A GREEN COLORED OPAL GLASS CONTAINING ABOUT 0.5% VANADIUM PENTOXIDE AND ABOUT 05%CHROMIC OXIDE.
References Cited (Backward Citations)
US1332058A
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US1572625A
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US1754182A
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US2068801A
Cited
US2219122A
Cited
US2237042A
Cited
US2475470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |