US2873209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling metal coatings
Assignee: Individual
•
Filing: 1945-02-12
•
Granted: 1959-02-10
•
Expires: 1965-02-12
Abstract
No abstract record available.
Inventors
- 👤 Harold A Gage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:26
CPC Classifications
G; G21; G21C; G21C21/00; G21C21/02; G21C21/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN THE APPLICATION OF METALLIC COATINGS TO CYLINDRICAL URANIUM ARTICLES BY HOT DIPPING, THE METHOD OF PROVINDING A LEVEL METAL COATING COMPLETELY ENCASING SAID ARTICLE WHICH COMPRISES DIPPING THE ARTICLE IN A MOLTERN BATH OF A METAL OF THE GROUP CONSISTING OF ZINC, LEAD, TIN, CADMIUM, AND ALUMINUM AND ALLOYS THEREOF, PLACING THE ARTICLE WHILE THE COATING IS YET MOLTEN BETWEEN A PAIR OF DRIVEN, HORIZONTAL, CLOSELY SPACED PARALLEL ROLLERS HAVING SMOOTH UNYIELDING SURFACES OF LOW THERMAL CONDUCTIVITY EXTENDING AT LEAST THE FULL LENGTH OF SAID ARTICLE, ROTATING SAID ROLLERS IN THE SAME DIRECTION AT SUBSTANTIALLY THE SAME PERIPHERAL SPEED WHEREBY THE ARTICLE IS ROTATED AND THE MOLTEN METAL COATING SMOOTHED,ESPOSING SAID ARTICLE TO A COOLING ATMOSPHERE AT A TEMPERATURE BELOW THE MELTING POINT OF THE COATING METAL,AND CONTINUING SAID ROTATION UNTIL THE COATING HAS SOLIDIFIED.
Claim 2
Dependent Claim
136 words
IN THE APPLICATION OF METALLIC COATINGS TO CYLINDRICAL URANIUM ARTICLES BY HOT DIPPING, THE METHOD OF PROVINDING A LEVEL METAL COATING COMPLETELY ENCASING SAID ARTICLE WHICH COMPRISES DIPPING THE ARTICLE IN A MOLTERN BATH OF A METAL OF THE GROUP CONSISTING OF ZINC, LEAD, TIN, CADMIUM, AND ALUMINUM AND ALLOYS THEREOF, PLACING THE ARTICLE WHILE THE COATING IS YET MOLTEN BETWEEN A PAIR OF DRIVEN, HORIZONTAL, CLOSELY SPACED PARALLEL ROLLERS HAVING SMOOTH UNYIELDING SURFACES OF LOW THERMAL CONDUCTIVITY EXTENDING AT LEAST THE FULL LENGTH OF SAID ARTICLE, ROTATING SAID ROLLERS IN THE SAME DIRECTION AT SUBSTANTIALLY THE SAME PERIPHERAL SPEED WHEREBY THE ARTICLE IS ROTATED AND THE MOLTEN METAL COATING SMOOTHED,ESPOSING SAID ARTICLE TO A COOLING ATMOSPHERE AT A TEMPERATURE BELOW THE MELTING POINT OF THE COATING METAL,AND CONTINUING SAID ROTATION UNTIL THE COATING HAS SOLIDIFIED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |