US3457151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cleaning method
Assignee: Solutec Corp
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Filing: 1966-10-27
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Granted: 1969-07-22
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Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Arnold Kortejarvi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:30
CPC Classifications
C; C25; C25F; C25F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF CLEANING ARTICLES WHICH COMPRISES THE STEPS OF: IMMERSING AN ARTICLE TO BE CLEANED IN A BATH COMPRISING AN AQUEOUS SOLUTION OF AN ALAKLINE ELECTROLYTE, ELECTROLYZING SAID BATH BY PASSING AN ELECTRIC CURRENT BETWEEN CATHODIC MEANS ADJACENT SAID ARTICLE AND ANODIC MEANS, AND IMMERSING SAID ARTICLE IN A DIP COMPRISING AN AQUEOUS SOLUTION OF A DEOXIDANT, SAID BATH COMPRISING THE FOLLOWING INGREDIENTS:
Claim 2
Independent Claim
64 words
A METHOD OF CLEANING ARTICLES WHICH COMPRISES THE STEPS OF: IMMERSING AN ARTICLE TO BE CLEANED IN A BATH COMPRISING AN AQUEOUS SOLUTION OF AN ALAKLINE ELECTROLYTE, ELECTROLYZING SAID BATH BY PASSING AN ELECTRIC CURRENT BETWEEN CATHODIC MEANS ADJACENT SAID ARTICLE AND ANODIC MEANS, AND IMMERSING SAID ARTICLE IN A DIP COMPRISING AN AQUEOUS SOLUTION OF A DEOXIDANT, SAID BATH COMPRISING THE FOLLOWING INGREDIENTS:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |