US2832357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End paper containing lanolin and polyoxyethylene sorbitol lanolin derivative
Assignee: Individual
•
Filing: 1955-03-14
•
Granted: 1958-04-29
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Donald H Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:26
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/92; A61K8/925; A61K8/02; A61K8/0208; A61K8/72; A61K8/84; A61K8/86; A61Q; A61Q5/00; A61Q5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
END-PAPER FOR THE PERMANENT WAVING OF HUMAN HAIR COMPRISING PAPER IMPREGNATED WITH ABOUT 0.5% TO ABOUT 5% BY WEIGHT OF A LANOLIN-CONTAINING COMPOSITION, SAID COMPOSITION COMPRISING 5 PARTS BY WEIGHT OF LANOLIN AND 3 PARTS BY WEIGHT OF A CONDENSATION PRODUCT OF LANOLIN, ETHYLENE OXIDE AND SORBITOL.
Claim 2
Dependent Claim
47 words
END-PAPER FOR THE PERMANENT WAVING OF HUMAN HAIR COMPRISING PAPER IMPREGNATED WITH ABOUT 0.5% TO ABOUT 5% BY WEIGHT OF A LANOLIN-CONTAINING COMPOSITION, SAID COMPOSITION COMPRISING 5 PARTS BY WEIGHT OF LANOLIN AND 3 PARTS BY WEIGHT OF A CONDENSATION PRODUCT OF LANOLIN, ETHYLENE OXIDE AND SORBITOL.
References Cited (Backward Citations)
US1513918A
Cited
FR619920A
Cited
US2309722A
Cited
US2479382A
Cited
US2478820A
Cited
US2637662A
Cited
US2688972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |