US2998372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for anodizing aluminum
Assignee: Olin Corp
•
Filing: 1958-03-17
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Granted: 1961-08-29
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Edmond M Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:32
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/005; C25D11/02; C25D11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
APPARATUS FOR ANODIZING AN ALUMINUM ARTICLE, WHICH COMPRISES A FRAME, A FIRST LOWER ELECTRODE PLATE, A SECOND UPPER ELECTRODE PLATE, FIRST MEANS FIXEDLY MOUNTING SAID FIRST PLATE IN SAID FRAME, SECOND MEANS MOVABLY MOUNTING SAID SECOND PLATE IN SAID FRAME IN SPACED SUBSTANTIALLY PARALLEL RELATION TO SAID FIRST ELECTRODE PLATE, THEREBY PROVIDING BETWEEN SAID PLATES A ZONE FOR PASSAGE OF AN ALUMINUM ARTICLE IN A PATH PARALLEL TO AND SPACED FROM SAID PLATES, SAID SECOND MEANS INCLUDING A HINGE MOUNTED ADJACENT AN OUTER LONGITUDINAL EDGE OF SAID SECOND UPPER PLATE AND CONNECTED THERETO AND TO SAID FRAME, STOP MEANS PERMITTING LIMITED ANGULAR MOVEMENT TO A MAXIMUM OF ABOUT 45* OF SAID UPPER PLATE ON SAID HINGE AWAY FROM
Claim 2
Dependent Claim
118 words
APPARATUS FOR ANODIZING AN ALUMINUM ARTICLE, WHICH COMPRISES A FRAME, A FIRST LOWER ELECTRODE PLATE, A SECOND UPPER ELECTRODE PLATE, FIRST MEANS FIXEDLY MOUNTING SAID FIRST PLATE IN SAID FRAME, SECOND MEANS MOVABLY MOUNTING SAID SECOND PLATE IN SAID FRAME IN SPACED SUBSTANTIALLY PARALLEL RELATION TO SAID FIRST ELECTRODE PLATE, THEREBY PROVIDING BETWEEN SAID PLATES A ZONE FOR PASSAGE OF AN ALUMINUM ARTICLE IN A PATH PARALLEL TO AND SPACED FROM SAID PLATES, SAID SECOND MEANS INCLUDING A HINGE MOUNTED ADJACENT AN OUTER LONGITUDINAL EDGE OF SAID SECOND UPPER PLATE AND CONNECTED THERETO AND TO SAID FRAME, STOP MEANS PERMITTING LIMITED ANGULAR MOVEMENT TO A MAXIMUM OF ABOUT 45* OF SAID UPPER PLATE ON SAID HINGE AWAY FROM
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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) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |