Patent US3364041A successfully refreshed from Google Patents.
US3364041A
Expired / Lapsed
US
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Glass composition and method
Assignee: OI Glass Inc
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Filing: 1965-11-24
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Granted: 1968-01-16
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Expires: 1985-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur B Swain
- 👤 Hossein R Keshari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:48
CPC Classifications
C; C03; C03C; C03C1/00; C03C1/10; C03C1/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN A METHOD OF MAKING A GREY-GREEN SODA-LIME GLASS, THE STEPS OF PREPARING A MOLTEN COLORLESS SODA-LIME BASE GLASS, FLOWING THE MOLTEN BASE GLASS THROUGH A FOREHEARTH, ADDING TO THE MOLTEN BASE GLASS IN THE FOREHEARTH A HIGHLY ENRICHED COLORANT FRIT CONSISTING ESSENTIALLY OF SODA-LIME FLINT GLASS COMPOSITION CONTAINING
Claim 2
Dependent Claim
49 words
IN A METHOD OF MAKING A GREY-GREEN SODA-LIME GLASS, THE STEPS OF PREPARING A MOLTEN COLORLESS SODA-LIME BASE GLASS, FLOWING THE MOLTEN BASE GLASS THROUGH A FOREHEARTH, ADDING TO THE MOLTEN BASE GLASS IN THE FOREHEARTH A HIGHLY ENRICHED COLORANT FRIT CONSISTING ESSENTIALLY OF SODA-LIME FLINT GLASS COMPOSITION CONTAINING
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |