Patent US2736683A successfully refreshed from Google Patents.
US2736683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum sulfamate antiperspirant liquid
Assignee: Colgate Palmolive Co
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Filing: 1951-12-19
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Granted: 1956-02-28
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Expires: 1971-12-19
Abstract
No abstract record available.
Inventors
- 👤 Lester D Apperson
- 👤 Earl L Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:00
CPC Classifications
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Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A LIQUID PREPARATION FOR INHIBITING OR RETARDING PERSPIRATION COMPRISING ALUMINUM SALT OF SULFAMIC ACID IN AN EFFECTIVE AMOUNT FROM ABOUT 5 TO ABOUT 50% BY WEIGHT IN AN AQUEOUS LOWER SATURATED ALIPHATIC MONOHYDRIC ALCOHOLIC MEDIUM SAID ALCOHOL BEING AT LEAST ABOUT 5% BY WEIGHT AND SAID COMPOSITION HAVING ESSENTIALLY A SINGLE HOMOGENEOUS LIQUID LAYER.
Claim 2
Dependent Claim
54 words
A LIQUID PREPARATION FOR INHIBITING OR RETARDING PERSPIRATION COMPRISING ALUMINUM SALT OF SULFAMIC ACID IN AN EFFECTIVE AMOUNT FROM ABOUT 5 TO ABOUT 50% BY WEIGHT IN AN AQUEOUS LOWER SATURATED ALIPHATIC MONOHYDRIC ALCOHOLIC MEDIUM SAID ALCOHOL BEING AT LEAST ABOUT 5% BY WEIGHT AND SAID COMPOSITION HAVING ESSENTIALLY A SINGLE HOMOGENEOUS LIQUID LAYER.
References Cited (Backward Citations)
US1621528A
Cited
US2586288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |