Patent US2456408A successfully refreshed from Google Patents.
Patent US3076727A successfully refreshed from Google Patents.
US3076727A
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Article having electrically conductive coating and process of making
Assignee: Libbey Owens Ford Glass Co
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Filing: 1959-12-24
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Granted: 1963-02-05
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Stephen H Harwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3613; C03C17/3621; C03C17/3642; C03C17/3655; H; H01; H01B; H01B1/00; C03C2217/00; C03C2217/70; C03C2217/78; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF INCREASING THE HARDNESS AND DURABILITY OF AN ELECTRICALLY CONDUCTING TRANSPARENT FILM, COMPOSED OF A METAL SELECTED FROM THE GROUP CONSISTING OF GOLD, SILVER, COPPER, IRON AND NICKEL, COMPRISING THE STEPS OF DEPOSITING A TRANSPARENT LAYER OF IRON OXIDE ON THE ELECTRICALLY CONDUCTING FILM DEPOSITING A TRANSPARENT LAYER OF CHROMIUM ON THE IRON OXIDE LAYER, AND BAKING THE RESULTING COMPOSITE FILM AT A TEMPERATURE IN THE RANGE OF APPROXIMATELY 350* F. TO 625* F. TO CAUSE MIGRATION BETWEEN THE MOLECULES OF THE CHROMIUM LAYER AND THE MOLECULES OF THE ELECTRICALLY CONDUCTING FILM.
Claim 2
Independent Claim
94 words
A METHOD OF INCREASING THE HARDNESS AND DURABILITY OF AN ELECTRICALLY CONDUCTING TRANSPARENT FILM, COMPOSED OF A METAL SELECTED FROM THE GROUP CONSISTING OF GOLD, SILVER, COPPER, IRON AND NICKEL, COMPRISING THE STEPS OF DEPOSITING A TRANSPARENT LAYER OF IRON OXIDE ON THE ELECTRICALLY CONDUCTING FILM DEPOSITING A TRANSPARENT LAYER OF CHROMIUM ON THE IRON OXIDE LAYER, AND BAKING THE RESULTING COMPOSITE FILM AT A TEMPERATURE IN THE RANGE OF APPROXIMATELY 350* F. TO 625* F. TO CAUSE MIGRATION BETWEEN THE MOLECULES OF THE CHROMIUM LAYER AND THE MOLECULES OF THE ELECTRICALLY CONDUCTING FILM.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |