US2647305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of tight coat hot dip galvanizing and hot dip galvanized product
Assignee: Wheeling Steel Corp
•
Filing: 1951-06-15
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Granted: 1953-08-04
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Nelson E Cook
- 👤 Samuel L Norteman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:08
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313274A
Cited
US1069923A
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US1235628A
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US2068687A
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US2347298A
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US2520349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |