US3076734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coatings on metals
Assignee: Acme Steel Co
•
Filing: 1960-07-01
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Granted: 1963-02-05
•
Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kurt E Schimkus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:13
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/07; C23C22/24; C23C22/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE METHOD OF PROVIDING A PROTECTIVE COATING ON BASE METALS COMPRISING IMMERSING THE BASE METAL IN A COATING COMPOSITION COMPRISING AN ACIDIC AQUEOUS SOLUTION CONTAINING FROM ABOUT 0.001 TO ABOUT 0.1 MOLE PER LITER OF PHYTATE ION AND FROM ABOUT 0.0001 TO ABOUT 0.1 MOLE PER LITER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACID SOLUBLE ZIRCONIUM SALTS AND BASIC ZIRCONIUM SALTS.
Claim 2
Independent Claim
64 words
THE METHOD OF PROVIDING A PROTECTIVE COATING ON BASE METALS COMPRISING IMMERSING THE BASE METAL IN A COATING COMPOSITION COMPRISING AN ACIDIC AQUEOUS SOLUTION CONTAINING FROM ABOUT 0.001 TO ABOUT 0.1 MOLE PER LITER OF PHYTATE ION AND FROM ABOUT 0.0001 TO ABOUT 0.1 MOLE PER LITER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACID SOLUBLE ZIRCONIUM SALTS AND BASIC ZIRCONIUM SALTS.
References Cited (Backward Citations)
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Cited
US2313276A
Cited
US2750400A
Cited
US2698266A
Cited
US2815360A
Cited
US3007818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |