US2140337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven and system of ventilation therefor
Assignee: Individual
•
Filing: 1936-03-12
•
Granted: 1938-12-13
•
Expires: 1956-03-12
Abstract
No abstract record available.
Inventors
- 👤 Howard E Somes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:13
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/008; B; B05; B05D; B05D3/00; B05D3/02; B05D3/0254; B05D3/0272; F26B15/00; F26B15/10; F26B15/12; F26B21/00; F26B21/20; F26B21/25
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) | 1941-12-12 | 1942-06-13 | 1942-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-12 | 1946-06-13 | 1946-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-12 | 1950-06-13 | 1950-12-13 | $7700.00 | Window Closed / Lapsed |