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Patent US2999469A successfully refreshed from Google Patents.
US2999469A
Expired / Lapsed
US
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Hand supported doughnut machine
Assignee: Individual
•
Filing: 1958-09-25
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Granted: 1961-09-12
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Expires: 1978-09-25
Abstract
No abstract record available.
Inventors
- 👤 Cottingham Morrison
- 👤 Galen E Forsyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:00
CPC Classifications
A; A21; A21C; A21C11/00; A21C11/16; A21C11/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |