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Patent US3794529A successfully refreshed from Google Patents.
US3794529A
Expired / Lapsed
US
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Method of making a metal laminate
Assignee: Motor Wheel Corp
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Filing: 1971-12-15
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Granted: 1974-02-26
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Expires: 1991-12-15
Abstract
Abstract A METHOD OF PREPARING A METAL POLYURETHANE LAMINATE BY PHOSPHETIZING THE METAL, DRYING THE METAL TO A WATER FREE SURFACE AND APPLYING A COATING OF A SOYBEAN ALKYD PAINT OR A MODOFIED LINSEED ALKYD PAINT, BAKING AT 225375*F. UNTIL TACK-FREE AND APPLYING A POLYURETHANE REACTION MIXTURE, AND SOLIDIFYING THE SAID MIXTURE TO GIVE A LAMINATE.
Inventors
- 👤 D Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:50
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D7/546; B05D2202/00; B05D2503/00
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |