Patent US3000756A successfully refreshed from Google Patents.
US3000756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot dip aluminum coating
Assignee: Wean Engineering Co Inc
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Filing: 1957-08-09
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Granted: 1961-09-19
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Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 John E Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:44
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
THE METHOD OF COATING A METAL WITH ALUMINUM WHICH COMPRISES FLUXING THE METAL WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS AND COMPOUNDS OF PHOSPHORUS WITH SULPHUR, AND THEN IMMERSING THE METAL IN MOLTEN ALUMINUM.
Claim 2
Independent Claim
37 words
THE METHOD OF COATING A METAL WITH ALUMINUM WHICH COMPRISES FLUXING THE METAL WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS AND COMPOUNDS OF PHOSPHORUS WITH SULPHUR, AND THEN IMMERSING THE METAL IN MOLTEN ALUMINUM.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |