Patent US3790450A successfully refreshed from Google Patents.
US3790450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic coating process
Assignee: Universal Oil Products Co
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Filing: 1972-12-21
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Granted: 1974-02-05
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Expires: 1992-12-21
Abstract
Abstract AN ELECTROCHEMICAL METHOD OF DEPOSITING A HIGH-MELTING, IMPERVIOUS ORGANIC COATING OPON A METAL SUBSTRATE UTILIZING A NOVEL ELECTROLYTE COMPRISING A LOWER ALIPHATIC ACID, AN AROMATIC COMPOUND AND A GROUP III-A HALIDE.
Inventors
- 👤 H Bloch
- 👤 J Louvar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:55
CPC Classifications
C; C25; C25D; C25D9/00; C25D9/02
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) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |