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Patent US2419643A successfully refreshed from Google Patents.
US2419643A
Expired / Lapsed
US
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Oven structure
Assignee: Individual
•
Filing: 1944-10-02
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Granted: 1947-04-29
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Expires: 1964-10-02
Abstract
No abstract record available.
Inventors
- 👤 William H Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:03
CPC Classifications
F; F26; F26B; F26B15/00; F26B15/10; F26B15/12; F26B15/14; F26B3/00; F26B3/28; F26B3/30
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) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |