US2628924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cleaning strip
Assignee: National Steel Corp
•
Filing: 1947-07-05
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Granted: 1953-02-17
•
Expires: 1967-07-05
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Johnston
- 👤 John E Elswick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:08
CPC Classifications
C; C25; C25D; C25D21/00; C25D21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN THE PROCESS FOR REMOVING A SOLUTION OF ELECTROPLATING SALTS FROM A MOVING METAL STRIP ELECTROPLATERD WITH METAL, THE STEPS OF DIRECTING THE STRIP ALONG A PREDETERMINED PATH WITH ONE SURFACE UPPERMOST AND DIRECTING A STREAM OF FRESH WASH WATER DOWNWARDLY ONTO SAID ONE SURFACE, CHANGING THE DIRECTION OF STRIP TRAVEL AND POSITIONING THE OTHER SURFACE UPPERMOST AND DIRECTING A STREAM OF FRESH WASH WATER DOWNWARDLY ONTO SAID OTHER SURFACE, AND THEREAFTER PASSING THE STRIP BETWEEN WRINGER ROLLS.
Claim 2
Dependent Claim
78 words
IN THE PROCESS FOR REMOVING A SOLUTION OF ELECTROPLATING SALTS FROM A MOVING METAL STRIP ELECTROPLATERD WITH METAL, THE STEPS OF DIRECTING THE STRIP ALONG A PREDETERMINED PATH WITH ONE SURFACE UPPERMOST AND DIRECTING A STREAM OF FRESH WASH WATER DOWNWARDLY ONTO SAID ONE SURFACE, CHANGING THE DIRECTION OF STRIP TRAVEL AND POSITIONING THE OTHER SURFACE UPPERMOST AND DIRECTING A STREAM OF FRESH WASH WATER DOWNWARDLY ONTO SAID OTHER SURFACE, AND THEREAFTER PASSING THE STRIP BETWEEN WRINGER ROLLS.
References Cited (Backward Citations)
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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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |