US3585120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel method of electrocoating hollow bodies
Assignee: Stollack AG
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Filing: 1968-09-05
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Granted: 1971-06-15
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Expires: 1988-09-05
Abstract
Abstract A METHOD OF ELECTROCOATING THE INTERIOR OF HOLLOW OBJECTS REQUIRING A COATING OF A WATER-SOLUBLE OR WATER-DISPERSIBLE COATING AGENT WHICH OBJECTS HAVE AT LEAST AN ELECTRICALLY CONDUCTIVE SURFACE WHEREIN THE IMPROVEMENT RESIDES IN THE USE OF AT LEAST ONE BIPOLAR AUXILIARY ELECTRODE WHICH EXTENDS INTO THE INTERIOR OF THE HOLLOW OBJECT.
Inventors
- 👤 Felix Wehrmann
- 👤 Franz Aigner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:24
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/12; C25D13/14; C25D7/00; C25D7/04
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |