US3113845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium-plated steel
Assignee: Fuji Iron and Steel Co Ltd
•
Filing: 1961-03-21
•
Granted: 1963-12-10
•
Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 Uchida Hiromu
- 👤 Yanabu Osamu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:39
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/48; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31678; Y10T428/31688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF PRODUCING CAN STOCK RECEPTIVE TO ORGANIC SURFACE COATINGS, WHICH COMPRISES CONTINUOUSLY MOVING A THIN-GAUGE STEEL SHEET THROUGH A CHROMIUM PLATING BATH FOR A PERIOD OF BETWEEN ABOUT 1 TO 20 SECONDS, THEREBY TO PLATE SAID STEEL SHEET WITH A CHROMIUM LAYER OF A SUBSTANTIALLY UNIFORM THICKNESS OF ABOUT BETWEEN 0.04 TO 0.1U, IMMERSING THE CHROMIUM PLATED SHEET IN A CHROMATE CONTAINING BATH, WASHING THE SHEET WITH WATER AND FINALLY COATING THE SHEET WITH A SURFACE LAYER OF AN ORGANIC COATING COMPOSITION, SAID ORGANIC COATING COMPOSITION BEING SELECTED FROM THE GROUP CONSISTING OF PHENOL BASED PAINTS, OIL BASED PAINTS, VINYL-RESIN BASED PAINTS, EPON BASED PAINTS, VARNISHES AND LACQUERS.
Claim 2
Independent Claim
110 words
A METHOD OF PRODUCING CAN STOCK RECEPTIVE TO ORGANIC SURFACE COATINGS, WHICH COMPRISES CONTINUOUSLY MOVING A THIN-GAUGE STEEL SHEET THROUGH A CHROMIUM PLATING BATH FOR A PERIOD OF BETWEEN ABOUT 1 TO 20 SECONDS, THEREBY TO PLATE SAID STEEL SHEET WITH A CHROMIUM LAYER OF A SUBSTANTIALLY UNIFORM THICKNESS OF ABOUT BETWEEN 0.04 TO 0.1U, IMMERSING THE CHROMIUM PLATED SHEET IN A CHROMATE CONTAINING BATH, WASHING THE SHEET WITH WATER AND FINALLY COATING THE SHEET WITH A SURFACE LAYER OF AN ORGANIC COATING COMPOSITION, SAID ORGANIC COATING COMPOSITION BEING SELECTED FROM THE GROUP CONSISTING OF PHENOL BASED PAINTS, OIL BASED PAINTS, VINYL-RESIN BASED PAINTS, EPON BASED PAINTS, VARNISHES AND LACQUERS.
References Cited (Backward Citations)
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US2697130A
Cited
US2812296A
Cited
US2830015A
Cited
US2800437A
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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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |