Patent US3021779A successfully refreshed from Google Patents.
US3021779A
Expired / Lapsed
US
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Circulation tempering of chocolate and similar substances
Assignee: Individual
•
Filing: 1959-02-16
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Granted: 1962-02-20
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Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Sollich Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
A; A23; A23G; A23G1/00; A23G1/04; A23G1/18; A23G3/00; A23G3/02; A23G3/20; A23G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1843859A
Cited
US2070558A
Cited
US2236692A
Cited
US2313705A
Cited
US2531773A
Cited
US2725815A
Cited
US2784096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |