Patent US3577278A successfully refreshed from Google Patents.
US3577278A
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US
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Article surface treating apparatus and method
Assignee: International Business Machines Corp
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Filing: 1968-12-23
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Granted: 1971-05-04
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Expires: 1988-12-23
Abstract
Abstract AN ARTICLE SURFACE TREATING APPARATUS IS DESCRIBED HEREIN IN WHICH AN ARTICLE HOLDER HAVING A PLURALITY OF ARTICLES MOUNTED THEREON IS BUOYANTLY DISPOSED IN A TANK CONTAINING A FLUID. THE ARTICLE HOLDER IS CONTINUOUSLY CAUSED TO ROTATE BY A STREAM OF A LIQUID SOLUTION IMPINGING THEREON, SO AS TO CAUSE THE SUCCESSIVE SURFACE TREATMENT OF THE ARTICLES. THE ARTICLES MAY BE SUBJECTED TO A PROCESS, E.G. (CLEANING AND RINSING OR ETCHING AND RINSING) WHEREIN SEVERAL SOLUTIONS MAY BE PROGRAMMED TO SERIALLY TREAT THE SURFACES OF THE PLURALITY OF ARTICLES.
Inventors
- 👤 Robert L Rohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:29
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04; C23G3/00; H; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |