Patent US2917192A successfully refreshed from Google Patents.
US2917192A
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Dough trough elevators
Assignee: Baker Perkins Inc
•
Filing: 1955-11-02
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Granted: 1959-12-15
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Expires: 1975-11-02
Abstract
No abstract record available.
Inventors
- 👤 Fred G Ricker
- 👤 Robert C Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/14; A21C1/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567100A
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US1027573A
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US1101598A
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US1522967A
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US1567522A
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US1716030A
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US2186478A
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US2373455A
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US2701650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |