US1872210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Object heating furnace
Assignee: Moore Co
•
Filing: 1930-05-28
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Granted: 1932-08-16
•
Expires: 1950-05-28
Abstract
No abstract record available.
Inventors
- 👤 William E Wunderlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:06
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/02; F27B9/021; F27B9/14; F27B9/20; F27B9/24; F27B9/243; F27D; F27D1/00; F27D1/02; F27D1/021; F27B9/30; F27B9/36; F27B2009/3623; F27D99/00; F27D99/0001; F27D2099/0058; F27M; F27M2001/00; F27M2001/15; F27M2001/1539; F27M2001/1547
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) | 1935-08-16 | 1936-02-15 | 1936-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-16 | 1940-02-15 | 1940-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-16 | 1944-02-15 | 1944-08-16 | $7700.00 | Window Closed / Lapsed |