US2643523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bread cooling and conditioning system
Assignee: Drying Systems Inc
•
Filing: 1950-06-22
•
Granted: 1953-06-30
•
Expires: 1970-06-22
Abstract
No abstract record available.
Inventors
- 👤 Russell H Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
A; A21; A21D; A21D15/00; A21D15/02; A21C; A21C15/00; A21C15/007; A21D13/00; A21D13/30; A21D13/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1583060A
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US2264221A
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US2257487A
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US2196011A
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US2343467A
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US2419119A
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US2515842A
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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) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |