Patent US3830716A successfully refreshed from Google Patents.
US3830716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrocoating method and apparatus
Assignee: Armco Inc
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Filing: 1971-07-22
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Granted: 1974-08-20
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Expires: 1991-07-22
Abstract
Abstract A MULTIPLICITY OF SMALL ARTICLES TO BE ELECTROCOATED ARE DELIVERED ONTO A CONVEYOR FOR MOVEMENT THROUGH THE ELECTROCOATING BATH. THE CONVEYOR MUST INCLUDE A CLEAN, PREFERABLY FORAMINOUS SURFACE, AND BE EFFECTIVE TO TRANSMIT AN ELECTRIC CHARGE OF ONE POTENTIAL TO THE ARTICLES CARRIED THEREBY. AN ELECTRODE AT A SECOND POTENTIAL IS DISPOSED IN THE ELECTROCOATING BATH ADJACENT THE PATH OF TRAVEL OF THE ARTICLES ON THE CONVEYOR. THE ARTICLES MAY BE PREWETTED WITH A COMPOSITION COMPATIBLE WITH THE ELECTROCOATING BATH.
Inventors
- 👤 E Haney
- 👤 Tour H La
- 👤 R Brown
- 👤 K Bagdal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:40
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/22
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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |