US2733215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning compositions containing
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
A CLEANING COMPOSITION COMPRISING A WATER-SOLUBLE POLYPHOSPHATE WHICH IN AQUEOUS SOLUTION TARNISHES COPPER AND COPPER AND NICKEL ALLOYS AND A TARNISH INHIBITOR IN AN AMOUNT TO LESSEN THE TARNISHING ACTION OF THE POLYPHOSPHATE AND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
38 words
A CLEANING COMPOSITION COMPRISING A WATER-SOLUBLE POLYPHOSPHATE WHICH IN AQUEOUS SOLUTION TARNISHES COPPER AND COPPER AND NICKEL ALLOYS AND A TARNISH INHIBITOR IN AN AMOUNT TO LESSEN THE TARNISHING ACTION OF THE POLYPHOSPHATE AND HAVING THE GENERAL FORMULA:
Claim 3
Dependent Claim
49 words
A NON-SOAP DETERGENT COMPOSITION COMPRISING AN ACTIVE DETERGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC AND NONIONIC DETERGENTS WHICH IN AQUEOUS SOLUTION TARNISHES COPPER AND COPPER AND NICKEL ALLOYS AND A TARNISH INHIBITOR IN AN AMOUNT TO LESSEN THE TARNISHING ACTION OF THE DETERGENT AND HAVING THE GENERAL FORMULA:
Claim 4
Dependent Claim
49 words
A NON-SOAP DETERGENT COMPOSITION COMPRISING AN ACTIVE DETERGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC AND NONIONIC DETERGENTS WHICH IN AQUEOUS SOLUTION TARNISHES COPPER AND COPPER AND NICKEL ALLOYS AND A TARNISH INHIBITOR IN AN AMOUNT TO LESSEN THE TARNISHING ACTION OF THE DETERGENT AND HAVING THE GENERAL FORMULA:
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) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |