US2813044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanizing process and flux composition
Assignee: Poor and Co
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Filing: 1954-03-29
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Granted: 1957-11-12
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Allan E Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:48
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/06; C23C2/003; C23C2/0038; C23C2/02; C23C2/024; C23C2/026; C23C2/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A PROCESS OF COATING A FERROUS METAL WITH ZINC WHICH COMPRISES PRECOATING THE SURFACE OF SAID FERROUS METAL IN A FILM-FORMING OXYALKYLATED FATTY AMINE WHICH ADHERES IN A FILM-FORMING OXYALKYLATED FATTY AMINE WHICH ADHERES TO THE FERROUS METAL AND APPLYING A COATING OF MOLTEN ZINC TO SAID FERROUS METAL.
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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |