US2496468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doughnut cutting machine
Assignee: DAVID R MCKINLEY
•
Filing: 1946-06-24
•
Granted: 1950-02-07
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Walter C Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:56
CPC Classifications
A; A21; A21C; A21C11/00; A21C11/10; A21C11/002; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2098; Y10T83/21; Y10T83/2105; Y10T83/2107; Y10T83/2122; Y10T83/2124; Y10T83/2131; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2161; Y10T83/465; Y10T83/4766; Y10T83/4795
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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |