US2904413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of bright dipping zinc base alloys
Assignee: Jervis Corp
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Filing: 1954-06-23
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Granted: 1959-09-15
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Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Hampel Kenneth Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:33
CPC Classifications
C; C23; C23F; C23F3/00; C23F3/04; C23F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
METHOD OF IMPARTING A BRIGHT SURFACE FINISH TO ZINC ALLOYS CONTAINING 80% AND UPWARDS OF ZINC WHICH COMPRISES IMMERSING THEM FOR A SHORT TIME IN AN AQUEOUS SOLUTION HAVING THE FOLLOWING COMPOSITION, BY WEIGHT:
Claim 2
Dependent Claim
34 words
METHOD OF IMPARTING A BRIGHT SURFACE FINISH TO ZINC ALLOYS CONTAINING 80% AND UPWARDS OF ZINC WHICH COMPRISES IMMERSING THEM FOR A SHORT TIME IN AN AQUEOUS SOLUTION HAVING THE FOLLOWING COMPOSITION, BY WEIGHT:
References Cited (Backward Citations)
US2186579A
Cited
US2593448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |