US2793980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and composition for setting hair on the human head
Assignee: Dresset Corp
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Filing: 1956-01-16
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Granted: 1957-05-28
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Karl H Mamlok
- 👤 Milton H Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8176; A61K8/30; A61K8/40; A61K8/41; A61K8/42; A61Q; A61Q5/00; A61Q5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
AN ALKALINE COMPOSITION FOR SETTING HAIR COLD ON THE HUMAN HEAD, SAID COMPOSITION ESSENTIALLY COMPRISING AN AQUEOUS CARRIER, POLYVINYL PYRROLIDONE, UREA AND TRIETHAOLAMINE.
Claim 2
Dependent Claim
23 words
AN ALKALINE COMPOSITION FOR SETTING HAIR COLD ON THE HUMAN HEAD, SAID COMPOSITION ESSENTIALLY COMPRISING AN AQUEOUS CARRIER, POLYVINYL PYRROLIDONE, UREA AND TRIETHAOLAMINE.
References Cited (Backward Citations)
NL75320C
Cited
AU2778130A
Cited
FR902738A
Cited
DE873891C
Cited
FR933194A
Cited
BE506627A
Cited
NL75921C
Cited
US2717228A
Cited
FR1099244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |