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US2495835A
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Light-colored enameled steel article
Assignee: GEORGE N HIBBEN
•
Filing: 1945-10-15
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Granted: 1950-01-31
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Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 George F Comstock
- 👤 Leon J Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:07
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: 0
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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 |