US3671205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal materials suitable for organic coating
Assignee: Fuji Iron and Steel Co Ltd
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Filing: 1970-01-16
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Granted: 1972-06-20
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Expires: 1990-01-16
Abstract
Abstract METAL MATERIALS RECEPTIVE TO ORGANIC COATINGS AND HAVING A FILM COMPOSED MAINLY OF HYDRATED CHROMIUM OXIDE ON THE SURFACE OF METAL OR PLATED METAL AND A LAYER OF WATER SOLUBLE VEHICLE CONTAINING AT LEAST ONE SELECTED FROM THE GROUP CONSISTING OF OLEORESINOUS RESINS, ALKYD RESINS, AMINOALKYD RESINS, PHENOLALKYD RESINS AND ACRYLIC, RESINS ON THE HYDRATED CHROMIUM OXIDE FILM.
Inventors
- 👤 Hiromu Uchida
- 👤 Akimi Umezono
- 👤 Takao Saito
- 👤 Tsutomu Enari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/10; B05D7/00; B05D7/14; B05D7/16; B05D2350/00; B05D2350/20; B05D2350/60; B05D2350/65; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12556; Y10T428/12569; Y10T428/12611; Y10T428/12639; Y10T428/1266; Y10T428/12667; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31529; Y10T428/31678; Y10T428/31681; Y10T428/31844
Claims Analysis
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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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |