US2524218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing composition
Assignee: Individual
•
Filing: 1946-03-28
•
Granted: 1950-10-03
•
Expires: 1966-03-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Bersworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:41
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/30; C11D10/00; C11D10/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A DETERGENT COMPOSITION CONSISTING OF A WATER SOLUBLE ALKALI METAL-FATTY ACID SOAP AND AN ALKYLENE POLYAMINE DERIVATIVE, THE AMOUNT OF SAID ALKYLENE POLYAMINE DERIVATIVE IN THE SAID MIXTURE BEING FROM 1% TO 5% BY WEIGHT OF THE MIXTURE, SAID ALKYLENE POLYAMINE DERIVATIVE BEING ONE CONFORMING TO THE FORMULA:
Claim 2
Dependent Claim
48 words
A DETERGENT COMPOSITION CONSISTING OF A WATER SOLUBLE ALKALI METAL-FATTY ACID SOAP AND AN ALKYLENE POLYAMINE DERIVATIVE, THE AMOUNT OF SAID ALKYLENE POLYAMINE DERIVATIVE IN THE SAID MIXTURE BEING FROM 1% TO 5% BY WEIGHT OF THE MIXTURE, SAID ALKYLENE POLYAMINE DERIVATIVE BEING ONE CONFORMING TO THE 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) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |