US3029155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enamel-powder resist systems
Assignee: Continental Can Co Inc
•
Filing: 1959-08-21
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Granted: 1962-04-10
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Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Curtis E Maier
- 👤 Robert M Brick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:17
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/12; B05D7/00; B05D7/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4981; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/257
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ARTICLE COMPRISING A ROLLED METAL SURFACE HAVING EMBEDDED THEREIN MICROSCOPIC PARTICLES OF AN ESSENTIALLY NON-MALLEABLE MATERIAL HARDER THAN THE SAID METAL AND PROVIDING A MICROSOPICALLY POROUS STRUCTURE ADHERENT TO THE METAL AND WETTABLE BY A BAKED ORGANIC ENAMEL COMPOSITION, AND A ENAMEL OCCUPYING THE PORES AND PROVIDING A CONTINUOUS EXPOSED SURFACE.
Claim 2
Dependent Claim
52 words
AN ARTICLE COMPRISING A ROLLED METAL SURFACE HAVING EMBEDDED THEREIN MICROSCOPIC PARTICLES OF AN ESSENTIALLY NON-MALLEABLE MATERIAL HARDER THAN THE SAID METAL AND PROVIDING A MICROSOPICALLY POROUS STRUCTURE ADHERENT TO THE METAL AND WETTABLE BY A BAKED ORGANIC ENAMEL COMPOSITION, AND A ENAMEL OCCUPYING THE PORES AND PROVIDING A CONTINUOUS EXPOSED SURFACE.
References Cited (Backward Citations)
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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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |