Patent US2219941A successfully refreshed from Google Patents.
US3110679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutral composition for removal of rust
Assignee: Individual
•
Filing: 1959-03-17
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Granted: 1963-11-12
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Expires: 1979-03-17
Abstract
No abstract record available.
Inventors
- 👤 Rubin Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:48
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A RUST REMOVING COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF FERMENTATION-INHIBITED SISAL JUICE SOLIDS AND N.N''-DI-(O-HYDROXY BENZYL)-ETHYLENE DIAMINE DIACETIC ACID IN A RATIO OF 1/2 -20 PARTS OF THE AMINO ACID PER 100 PARTS OF SISAL JUICE SOLIDS.
Claim 2
Dependent Claim
39 words
A RUST REMOVING COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF FERMENTATION-INHIBITED SISAL JUICE SOLIDS AND N.N''-DI-(O-HYDROXY BENZYL)-ETHYLENE DIAMINE DIACETIC ACID IN A RATIO OF 1/2 -20 PARTS OF THE AMINO ACID PER 100 PARTS OF SISAL JUICE SOLIDS.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |