Patent US1749414A successfully refreshed from Google Patents.
US1749414A
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Automatic waffle machine
Assignee: SUPER AUTOMATIC FOOD MACHINE C
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Filing: 1928-12-05
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Granted: 1930-03-04
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Expires: 1948-12-05
Abstract
No abstract record available.
Inventors
- 👤 Carl O Christianson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:33
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/0064; G07F17/0078; A; A21; A21B; A21B5/00; A21B5/02; A21B5/023; G07F11/00; G07F11/70; G07F9/00; G07F9/10; G07F9/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-03-03 | 1933-09-02 | 1934-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-03 | 1937-09-02 | 1938-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-03 | 1941-09-02 | 1942-03-04 | $7700.00 | Window Closed / Lapsed |