Patent US2495836A successfully refreshed from Google Patents.
US2495836A
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Enamelware
Assignee: GEORGE N HIBBEN
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Filing: 1949-10-17
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Granted: 1950-01-31
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Expires: 1969-10-17
Abstract
No abstract record available.
Inventors
- 👤 George F Comstock
- 👤 Leon J Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
C; C03; C03C; C03C4/00; C23; C23D; C23D5/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12604; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A LIGHT-COLORED ENAMELED STEEL ARTICLE COMPRISING: (1) A STEEL BASE COMPRISING A KILLED STEEL CONTAINED TITANIUM ALLOYED THEREWITH, THE CARBON CONTENT OF SAID STEEL BEING NOT IN EXCESS OF ABOUT 0.15% AND THE WEIGHT RATIO OF TITANIUM TO CARBON PRESENT IN THE STEEL BEING FROM ABOUT 4:1 TO ABOUT 30:1; AND (2) A COAT OF LIGHT-COLORED VITREOUS ENAMEL APPLIED DIRECTLY TO SAID BASE AND CONTAINING AS PART OF THE FRIT AN OXIDE SELECTED FROM THE GROUP CONSISTING OF THE OXIDES OF ANTIMONY, MOLYBDENUM AND ARSENIC.
Claim 2
Dependent Claim
85 words
A LIGHT-COLORED ENAMELED STEEL ARTICLE COMPRISING: (1) A STEEL BASE COMPRISING A KILLED STEEL CONTAINED TITANIUM ALLOYED THEREWITH, THE CARBON CONTENT OF SAID STEEL BEING NOT IN EXCESS OF ABOUT 0.15% AND THE WEIGHT RATIO OF TITANIUM TO CARBON PRESENT IN THE STEEL BEING FROM ABOUT 4:1 TO ABOUT 30:1; AND (2) A COAT OF LIGHT-COLORED VITREOUS ENAMEL APPLIED DIRECTLY TO SAID BASE AND CONTAINING AS PART OF THE FRIT AN OXIDE SELECTED FROM THE GROUP CONSISTING OF THE OXIDES OF ANTIMONY, MOLYBDENUM AND ARSENIC.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |