Patent US3310094A successfully refreshed from Google Patents.
Patent US3061482A successfully refreshed from Google Patents.
US3061482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic coated metal bodies
Assignee: Individual
•
Filing: 1959-09-16
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Granted: 1962-10-30
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Expires: 1979-09-16
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:21
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD FOR PRODUCING AN ADHERENT OXIDE COATING UPON A METAL SURFACE WHICH COMPRISES, PROVIDING A METAL BASE CONTAINING AT LEAST ADJACENT THE SURFACE THEREOF A DISPERSION OF FINELY DIVIDED STABLE METAL OXIDE HAVING A NEGATIVE FREE ENERGY OF FORMATION AT ABOUT 25* C. OF AT LEAST 90.000 CALORIES PER GRAM ATOM OF OXYGEN, PRODUCING AN OXIDE COATING ON SAID METAL SURFACE, AND THERMALLY BONDING SAID COATING TO SSAID METAL SURFACE VIA BONDS FORMED BETWEEN SAID OXIDE COATING AND THE DISPERSED METAL OXIDE AT LEAST ADJACENT THE METAL BASE SURFACE.
Claim 2
Independent Claim
90 words
A METHOD FOR PRODUCING AN ADHERENT OXIDE COATING UPON A METAL SURFACE WHICH COMPRISES, PROVIDING A METAL BASE CONTAINING AT LEAST ADJACENT THE SURFACE THEREOF A DISPERSION OF FINELY DIVIDED STABLE METAL OXIDE HAVING A NEGATIVE FREE ENERGY OF FORMATION AT ABOUT 25* C. OF AT LEAST 90.000 CALORIES PER GRAM ATOM OF OXYGEN, PRODUCING AN OXIDE COATING ON SAID METAL SURFACE, AND THERMALLY BONDING SAID COATING TO SSAID METAL SURFACE VIA BONDS FORMED BETWEEN SAID OXIDE COATING AND THE DISPERSED METAL OXIDE AT LEAST ADJACENT THE METAL BASE 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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |