US3576659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual coating process
Assignee: Vorac Co
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Filing: 1967-12-13
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Granted: 1971-04-27
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Expires: 1987-12-13
Abstract
Abstract METAL SURFACES ARE COATED IN ONE AREA WITH A COATING COMPOSITION THAT IS A MIXTURE OF AN EPOXIDE RESIN, AN ETHER OF A METHYLATED 2,4,6-TRI-METHYLOL PHENOL, AND 0.5 TO 5.0% BUTYLATED MELAMINE FORMALDEHYDE, AND IN A SECOND AREA CONTIGUOUS WITH THE FIRST AERA WITH ALKYD-BUTYLATED AMINO RESIN COMPOSITION. THE COATED SURFACES ARE BAKED AT ABOUT 450*F. FOR ABOUT 15 MINUTES.
Inventors
- 👤 Salvatore J Oliveri
- 👤 David E Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:43
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; B05D7/22; B05D7/227; B05D1/00; B05D1/02; B05D7/50; B05D7/52
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |