US2525936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of soap
Assignee: Lever Brothers Co
•
Filing: 1948-01-08
•
Granted: 1950-10-17
•
Expires: 1968-01-08
Abstract
No abstract record available.
Inventors
- 👤 Owen Ronald Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:31
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/02; C11D13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A CONTINUOUS PROCESS OF SEPARATING NIGRE AND NEAT SOAP FROM MOLTEN FITTED SOAP IN THE ABSENCE OF CENTRIFUGING WHICH COMPRISES MAINTAINING A CONTINUOUS AND SUBSTANTIALLY HORIZONTAL QUIESCENT FLOW OF AID FITTED SOAP IN A SHALLOW STREAM FORMING, BY ACTION OF GRAVITY, AN UPPER PHASE OF NEAT SOAP AND A LOWER PHASE OF NIGRE, CONTINUOUSLY AND
Claim 2
Dependent Claim
55 words
A CONTINUOUS PROCESS OF SEPARATING NIGRE AND NEAT SOAP FROM MOLTEN FITTED SOAP IN THE ABSENCE OF CENTRIFUGING WHICH COMPRISES MAINTAINING A CONTINUOUS AND SUBSTANTIALLY HORIZONTAL QUIESCENT FLOW OF AID FITTED SOAP IN A SHALLOW STREAM FORMING, BY ACTION OF GRAVITY, AN UPPER PHASE OF NEAT SOAP AND A LOWER PHASE OF NIGRE, CONTINUOUSLY AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |