US3560350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irregular shaped tubing formed by electrodeposition
Assignee: ThyssenKrupp Budd Co
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Filing: 1968-10-01
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Granted: 1971-02-02
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Expires: 1988-10-01
Abstract
Abstract A METHOD OF ELECTROFORMING TUBULAR ARTICLES OF IRREGULAR SHAPES IS PROVIDED. A MOLD IS FIRST CAST HAVING A CAVITY THEREIN CORRESPONDING TO THE PARTICULAR TUBULAR ARTICLE TO BE FORMED. A FLEXIBLE MANDREL IS THEN FORMED IN THE MOLD CORRESPONDINGLY SHAPED TO THE ARTICLE BEING FORMED. AFTER THE MANDREL IS REMOVED FROM THE MOLD, THE TUBULAR ARTICLE IS FORMED ON THE MANDREEL BY AN ELECTRODEPOSITION PROCESS.
Inventors
- 👤 Michael Mattia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/02
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |