US3055762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vitreous enamel
Assignee: EIDP Inc
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Filing: 1960-12-07
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Granted: 1962-09-25
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Expires: 1980-12-07
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:45
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C3/074; C03C3/0745; C03C8/00; C03C8/02; C03C8/10; C03C8/12; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A VITREOUS ENAMEL FRIT SUITABLE FOR USE AS VITREOUS ENAMEL LABELS ON GLASS SUBSTRATES HAVING A MATURING TEMPERATURE BELOW 1184*F. AND A THEMAL EXPANSION OF BETWEEN 85 AND 90X10-7 CM./CM./*C., AT LEAST 90 MOL PERCENT OF THE FRIT CONSISTING OF
Claim 2
Dependent Claim
40 words
A VITREOUS ENAMEL FRIT SUITABLE FOR USE AS VITREOUS ENAMEL LABELS ON GLASS SUBSTRATES HAVING A MATURING TEMPERATURE BELOW 1184*F. AND A THEMAL EXPANSION OF BETWEEN 85 AND 90X10-7 CM./CM./*C., AT LEAST 90 MOL PERCENT OF THE FRIT CONSISTING OF
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |