US2589330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anticaking agent for cleansing
Assignee: —
•
Filing: —
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Granted: 1952-03-18
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Expires: 1969-03-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:30
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/14; A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/24; A61K8/25; A61Q; A61Q19/00; A61Q19/10; C11D3/04; C11D3/042; C11D3/046; C11D3/06; C11D3/1233; C11D7/00; C11D7/02; C11D7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A SUBSTANTIALLY NON-CAKING CLEANSING POWDER CONSISTING ESSENTIALLY OF FINELY DIVIDED TRISODIUM PHOSPHATE, PARTICLES OF FINELY DIVIDED TRISODIUM AN AMOUNT FROM 0.1 TO ABOUT 3 PERCENT OF A POWDERED ANTI-CAKING AGENT SELECTED FROM THE GROUP CONSISTING OF METALLIC MAGNESIUM AND COMPOUNDS THEREOF.
Claim 2
Dependent Claim
41 words
A SUBSTANTIALLY NON-CAKING CLEANSING POWDER CONSISTING ESSENTIALLY OF FINELY DIVIDED TRISODIUM PHOSPHATE, PARTICLES OF FINELY DIVIDED TRISODIUM AN AMOUNT FROM 0.1 TO ABOUT 3 PERCENT OF A POWDERED ANTI-CAKING AGENT SELECTED FROM THE GROUP CONSISTING OF METALLIC MAGNESIUM AND COMPOUNDS THEREOF.
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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |