US3574652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating on a metallic surface
Assignee: Monsanto Co
•
Filing: 1967-06-13
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Granted: 1971-04-13
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Expires: 1987-06-13
Abstract
Abstract A PROTECTIVE COATING FOR METALLIC SURFACES CONSISTING OF A PRIMER COATING CONTAINING FROM 60 TO 40% BY WEIGHT OF A LIQUID HYDROCARBON SOLVENT AND FROM 40 TO 60% BY WEIGHT OF A NON-AIR BLOWN, SOLVENT EXTRACTED ASPHALT HAVING A PENETRATION AT 77*F. OF 1 TO 25 AND A SOFTENING POINT OF 140-220*F., AND A BITUMUNOUS FINISH COATING COMPATIBLE WITH SAID PRIMER COATING.
Inventors
- 👤 Stephen H Alexander
- 👤 Gilbert W Tarver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:57
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; C; C09; C09D; C09D195/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/31504; Y10T428/31678; Y10T428/31717
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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |