US3036934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated article and method of making same
Assignee: Bethlehem Steel Corp
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Filing: 1958-03-17
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Granted: 1962-05-29
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 James B Horton
- 👤 Seymour C Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF FORMING A PROTECTIVE FILM ON A METAL SURFACE WHICH COMPRISES APPLYING TO AN ARTICLE HAVING A METAL SURFACE OF THE GROUP CONSISTING OF ZINC, CADMIUM AND ALUMINUM A WATER MIXTURE CONSISTING ESSENTIALLY OF A WATER EMULSION OF AN ACRYLIC RESIN AND A SOLUBLE COMPOUND OF THE GROUP CONSISTING OF CHROMATES AND DICHROMATES AND DRYING AND THEREBY FORMING A TRANSPARENT WHITE RUST-PREVENTIVE FILM OF ACRYLIC RESIN AND SAID SOLUBLE COMPOUND CONTAINING NOT LESS THAN 10 MG. OF RESIN AND FROM 2 MG. TO 8 MG. OF SAID SOLUBLE COMPOUND PER SQUARE FOOT OF METAL SURFACE.
Claim 2
Independent Claim
97 words
THE METHOD OF FORMING A PROTECTIVE FILM ON A METAL SURFACE WHICH COMPRISES APPLYING TO AN ARTICLE HAVING A METAL SURFACE OF THE GROUP CONSISTING OF ZINC, CADMIUM AND ALUMINUM A WATER MIXTURE CONSISTING ESSENTIALLY OF A WATER EMULSION OF AN ACRYLIC RESIN AND A SOLUBLE COMPOUND OF THE GROUP CONSISTING OF CHROMATES AND DICHROMATES AND DRYING AND THEREBY FORMING A TRANSPARENT WHITE RUST-PREVENTIVE FILM OF ACRYLIC RESIN AND SAID SOLUBLE COMPOUND CONTAINING NOT LESS THAN 10 MG. OF RESIN AND FROM 2 MG. TO 8 MG. OF SAID SOLUBLE COMPOUND PER SQUARE FOOT OF METAL SURFACE.
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |