US2749276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dextran compound fatty acid ester lipstick
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1953-08-12
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Granted: 1956-06-05
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Expires: 1973-08-12
Abstract
No abstract record available.
Inventors
- 👤 Leo J Novak
- 👤 Joseph T Tyree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:34
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61Q; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A LIPSTICK COMPRISING COLORING MATTER AND A BASE COMPRISING AN ESTER OF A DEXTRAN WITH A SATURATED FATTY ACID OF FROM 8 TO 18 CARBON ATOMS, SAID ESTER CONTAINING AN AVERAGE OF LESS THAN 1.0 UP TO 3.0 OF THE FATTY ACID RADICALS PER ANHYDROGLUCOPYRANOSIDIC UNIT.
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) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |