US2677665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of soap bars or tablets
Assignee: Lever Brothers Co
•
Filing: 1950-04-21
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Granted: 1954-05-04
•
Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
- 👤 James Frederick Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:04
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/06; C11D9/18; C11D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD OF FORMING A HARD, SOLID, FILLED SOAP PRODUCT WHICH INCLUDES THE SUCCESSIVE STEPS OF ADDING ABOUT 3 TO 40 PARTS BY WEIGHT OF 80* TW. NEUTRAL SODIUM SILICATE AND ABOUT 1 TO 10 PARTS OF 40% AQUEOUS SODIUM ALUMINATE TO ABOUT 50 TO 96 PARTS OF HOT MOLTEN SOAP TO FORM SODIUM ALUMINUM SILICATE GEL IN SITU WITHIN THE HOT MOLTEN SOAP, CHILLING THE MOLTEN FILLED SOAP, AND PLODDING THE RESULTANT SOLIDIFIED FILLED SOAP.
Claim 2
Independent Claim
76 words
A METHOD OF FORMING A HARD, SOLID, FILLED SOAP PRODUCT WHICH INCLUDES THE SUCCESSIVE STEPS OF ADDING ABOUT 3 TO 40 PARTS BY WEIGHT OF 80* TW. NEUTRAL SODIUM SILICATE AND ABOUT 1 TO 10 PARTS OF 40% AQUEOUS SODIUM ALUMINATE TO ABOUT 50 TO 96 PARTS OF HOT MOLTEN SOAP TO FORM SODIUM ALUMINUM SILICATE GEL IN SITU WITHIN THE HOT MOLTEN SOAP, CHILLING THE MOLTEN FILLED SOAP, AND PLODDING THE RESULTANT SOLIDIFIED FILLED SOAP.
References Cited (Backward Citations)
US924792A
Cited
GB190809744A
Cited
GB160892A
Cited
FR755264A
Cited
GB470699A
Cited
US2257545A
Cited
US2299768A
Cited
US2295594A
Cited
US2316689A
Cited
US2394321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |