US3582478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing plated metal elements
Assignee: WILLIAM D KELLY
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Filing: 1968-11-14
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Granted: 1971-06-01
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Expires: 1988-11-14
Abstract
Abstract A METHOD OF MANUFACTURING PLATED METAL ELEMENTS INCLUDING THE STEPS OF EXTRUDING AN ELEMENT INTO AN INERT ATMOSPHERE, WORKING THE METAL ELEMENT AS BY DRAWING THE SAME WHILE MAINTAINING IT IN AN INERT ATMOSPHERE TO PREVENT CHEMICAL CHANGES OF THE SURFACE MATERIAL THEREOF, AND PLATING THE ELEMENT DIRECTLY AS IT IS DELIVERED FROM THE INERT ATMOSPHERE.
Inventors
- 👤 William D Kelly
- 👤 William D Kelly Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:10
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/42; C25D5/44; C25D7/00; C25D7/06; C25D7/0607; C25D3/00; C25D3/02; C25D3/38; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 0
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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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |