US835945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace or oven.
Assignee: Individual
•
Filing: 1906-05-24
•
Granted: 1906-11-13
•
Expires: 1926-05-24
Abstract
No abstract record available.
Inventors
- 👤 Hermann Gehnrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:33
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/32; F24C15/322; C; C23; C23C; C23C8/00; C23C8/06
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) | 1909-11-12 | 1910-05-14 | 1910-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-11-12 | 1914-05-14 | 1914-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-11-12 | 1918-05-14 | 1918-11-13 | $7700.00 | Window Closed / Lapsed |