Patent US2134897A successfully refreshed from Google Patents.
US2134897A
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Automatic mixing and fine-grinding mill for chocolate, colors, etc.
Assignee: Individual
•
Filing: 1937-04-17
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Granted: 1938-11-01
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Expires: 1957-04-17
Abstract
No abstract record available.
Inventors
- 👤 Theiner Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:03
CPC Classifications
A; A23; A23G; A23G1/00; A23G1/04; A23G1/10; B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/56; B29B7/568; Y; Y10; Y10S; Y10S241/00; Y10S241/604
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-10-31 | 1942-05-02 | 1942-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-31 | 1946-05-02 | 1946-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-31 | 1950-05-02 | 1950-11-01 | $7700.00 | Window Closed / Lapsed |