US2832706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cleaning and phosphating composition and method of cleaning and phosphating
Assignee: Victor Chemical Works
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Filing: 1953-05-12
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Granted: 1958-04-29
•
Expires: 1973-05-12
Abstract
No abstract record available.
Inventors
- 👤 Toubes Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:13
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/46; C23C22/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COMPOSITION SUITABLE FOR CLEANING AND TREATING METAL CONSISTING ESSENTIALLY OF ABOUT 70 TO 85% BY WEIGHT OF AN ALKALI METAL ACID PHOSPHATE , ABOUT 5 TO 20% BY WEIGHT OF ALKALI METAL OXALATE, AND A MINOR PROPORTION OF AN ACID STABLE, SYNTHETIC ORGANI WETTING AGENT.
Claim 2
Dependent Claim
46 words
A COMPOSITION SUITABLE FOR CLEANING AND TREATING METAL CONSISTING ESSENTIALLY OF ABOUT 70 TO 85% BY WEIGHT OF AN ALKALI METAL ACID PHOSPHATE , ABOUT 5 TO 20% BY WEIGHT OF ALKALI METAL OXALATE, AND A MINOR PROPORTION OF AN ACID STABLE, SYNTHETIC ORGANI WETTING AGENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |