US2520980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic creams
Assignee: National Chemical Products Pty Ltd
•
Filing: 1948-08-09
•
Granted: 1950-09-05
•
Expires: 1968-08-09
Abstract
No abstract record available.
Inventors
- 👤 Terkel Maryan
- 👤 Silberman Henryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/63; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
COSMETIC CREAM COMPRISING AN EMULSION OF OLEAGINOUS AND AQUEOUS MATERIAL, AND FROM 0.1% TO 8% OF A CHOLESTERYL ETHER.
Claim 2
Dependent Claim
19 words
COSMETIC CREAM COMPRISING AN EMULSION OF OLEAGINOUS AND AQUEOUS MATERIAL, AND FROM 0.1% TO 8% OF A CHOLESTERYL ETHER.
References Cited (Backward Citations)
US1985747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |