US2650901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating on aluminum
Assignee: Van Der Horst Corp of America
•
Filing: 1949-06-08
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Granted: 1953-09-01
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Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 Horst Kuno L Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:59
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/42; C25D5/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF PREPARING AN ALUMINUM ARTICLE FOR ELECTROPLATING WHICH COMPRISES VAPOR BLASTING THAT PORTION OF THE ARTICLE THAT IS TO BE PLATED, WITH A MIXTURE OF AIR, WATER AND ABRASIVE PARTICLES AND THEREBY BREAKING DOWN THE ADHERENT FILM OF OXIDE THEREON TO EXPOSE A NEW SURFACE THE ABRASIVE PARTICLES BEING OF FROM ABOUT ONE HUNDRED MESH TO ABOUT TWELVE HUNDRED AND FIFTY MESH, AND SUBJECTING SAID PORTION OF THE ARTICLE TO THE ACTION OF CAUSTIC ALKALI AND ALKALI ZINCATE TO PRODUCE A DEPOSITE OF ZINC ON SAID PORTION OF THE ARTICLE.
Claim 2
Independent Claim
92 words
THE METHOD OF PREPARING AN ALUMINUM ARTICLE FOR ELECTROPLATING WHICH COMPRISES VAPOR BLASTING THAT PORTION OF THE ARTICLE THAT IS TO BE PLATED, WITH A MIXTURE OF AIR, WATER AND ABRASIVE PARTICLES AND THEREBY BREAKING DOWN THE ADHERENT FILM OF OXIDE THEREON TO EXPOSE A NEW SURFACE THE ABRASIVE PARTICLES BEING OF FROM ABOUT ONE HUNDRED MESH TO ABOUT TWELVE HUNDRED AND FIFTY MESH, AND SUBJECTING SAID PORTION OF THE ARTICLE TO THE ACTION OF CAUSTIC ALKALI AND ALKALI ZINCATE TO PRODUCE A DEPOSITE OF ZINC ON SAID PORTION OF THE ARTICLE.
References Cited (Backward Citations)
US1627900A
Cited
US1923790A
Cited
US1988645A
Cited
US1984624A
Cited
US2142564A
Cited
US2414923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |