US2805969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molybdenum accelerated solution and method for forming oxalate coatings on metallic surfaces
Assignee: Parker Rust Proof Co
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Filing: 1952-12-31
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Granted: 1957-09-10
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Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Goodspeed
- 👤 Robert C Gilbson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A COMPOSITION OF MATTER FOR PRODUCING AN OXALATE COATING ON A METALLIC SURFACE WHICH COMPRISES AN AQUEOUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF MOLYBDENUM IN AN AMOUNT BETWEEN ABOUT .025% AND 9%, OXALIC ACID IN AN AMOUNT BETWEEN ABOUT 4% TO SATURATION AND THE CHLORIDE ANION IN AN AMOUNT OF ABOUT 3.6% TO ABOUT 12.1%.
Claim 2
Dependent Claim
54 words
A COMPOSITION OF MATTER FOR PRODUCING AN OXALATE COATING ON A METALLIC SURFACE WHICH COMPRISES AN AQUEOUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF MOLYBDENUM IN AN AMOUNT BETWEEN ABOUT .025% AND 9%, OXALIC ACID IN AN AMOUNT BETWEEN ABOUT 4% TO SATURATION AND THE CHLORIDE ANION IN AN AMOUNT OF ABOUT 3.6% TO ABOUT 12.1%.
References Cited (Backward Citations)
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Cited
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US2273234A
Cited
US2502441A
Cited
US2557509A
Cited
US2577887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |