Patent US3085499A successfully refreshed from Google Patents.
US3085499A
Expired / Lapsed
US
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Apparatus for making doughnuts
Assignee: DCA Food Industries Inc
•
Filing: 1959-07-06
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Granted: 1963-04-16
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Dayton O Leiby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:38
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US759618A
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US1391212A
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US1580684A
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US1741722A
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US2067849A
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US2026203A
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US2092160A
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US2614485A
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US2615811A
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US2931289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |