US2570127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for deep fat cooking
Assignee: Doughnut Corp of America
•
Filing: 1948-04-13
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Granted: 1951-10-02
•
Expires: 1968-04-13
Abstract
No abstract record available.
Inventors
- 👤 Hunter Herbert Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1214; A21; A21B; A21B5/00; A21B5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055639A
Cited
US2219410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |