Patent US2767437A successfully refreshed from Google Patents.
US2767437A
Expired / Lapsed
US
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Method of amalgamating and extruding soap
Assignee: Individual
•
Filing: 1952-02-11
•
Granted: 1956-10-23
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Expires: 1972-02-11
Abstract
No abstract record available.
Inventors
- 👤 Donald E Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:15
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/14; C11D13/18; B; B29; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/36; B29C48/365; B29C48/37; B29C48/375; B29C48/387; B29C48/395; B29C48/397; B29C37/00; B29C2037/96; Y; Y10; Y10S; Y10S159/00; Y10S159/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2462924A
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US2414097A
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US2594956A
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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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |