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Patent US2767668A successfully refreshed from Google Patents.
US2767668A
Expired / Lapsed
US
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Baking of food products
Assignee: SPOONER FOOD MACHINERY ENGINEE
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Filing: 1951-08-21
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Granted: 1956-10-23
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Expires: 1971-08-21
Abstract
No abstract record available.
Inventors
- 👤 Spooner William Wycliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:21
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/42; A21B1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB553807A
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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 |