US2531359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activator solution for machineless hair-waving pads
Assignee: LOUISE R HUNTER
•
Filing: 1948-01-31
•
Granted: 1950-11-21
•
Expires: 1968-01-31
Abstract
No abstract record available.
Inventors
- 👤 Harry W Mace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN ACTIVATOR SOLUTION FOR USE WITH A NORMALLY WATER-ACTIVATED MACHINELESS HAIR WAVING PAD, SAID SOLUTION COMPRISING A POLYXYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT RANGING BETWEEN ABOUT 1000 AND ABOUT 7000 IN AN AMOUNT RANGING BETWEEN ABOUT 5% AND ABOUT 20% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION, AMMONIUM CHLORIDE IN AN AMOUNT VARYING BETWEEN ABOUT 1/2% TO ABOUT 8% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION, ALUMINUM CHLORIDE IN AN AMOUNT VARYING BETWEEN ABOUT 2 1/2% TO ABOUT 10% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION AND WATER IN AN AMOUNT VARYING BETWEEN ABOUT 60% AND ABOUT 90% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION.
Claim 2
Dependent Claim
118 words
AN ACTIVATOR SOLUTION FOR USE WITH A NORMALLY WATER-ACTIVATED MACHINELESS HAIR WAVING PAD, SAID SOLUTION COMPRISING A POLYXYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT RANGING BETWEEN ABOUT 1000 AND ABOUT 7000 IN AN AMOUNT RANGING BETWEEN ABOUT 5% AND ABOUT 20% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION, AMMONIUM CHLORIDE IN AN AMOUNT VARYING BETWEEN ABOUT 1/2% TO ABOUT 8% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION, ALUMINUM CHLORIDE IN AN AMOUNT VARYING BETWEEN ABOUT 2 1/2% TO ABOUT 10% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION AND WATER IN AN AMOUNT VARYING BETWEEN ABOUT 60% AND ABOUT 90% BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL SOLUTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |