Patent US3239467A successfully refreshed from Google Patents.
US3239467A
Expired / Lapsed
US
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Metal cleaning and treating compositions
Assignee: Lord Corp
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Filing: 1962-02-15
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Granted: 1966-03-08
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Richard J Lipinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:02
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/50; C11D7/5004; C11D7/5018; C11D7/22; C11D7/34; C23; C23G; C23G1/00; C23G1/02; C23G1/025; C11D2111/00; C11D2111/10; C11D2111/14; C11D2111/16; C11D7/26; C11D7/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A COMPOSITION FOR CLEANING AND TREATING ALUMINUM, STAINLESS STEEL AND TITANIUM SURFACES TO IMPROVE THEIR BONDABILITY TO ORGANIC COATINGS AND ADHESIVES CONSISTING ESSENTIALLY OF (A) BETWEEN ABOUT 50 AND ABOUT 98% OF A GLYCOL ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
38 words
A COMPOSITION FOR CLEANING AND TREATING ALUMINUM, STAINLESS STEEL AND TITANIUM SURFACES TO IMPROVE THEIR BONDABILITY TO ORGANIC COATINGS AND ADHESIVES CONSISTING ESSENTIALLY OF (A) BETWEEN ABOUT 50 AND ABOUT 98% OF A GLYCOL ETHER HAVING THE FORMULA
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |