US1545155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame furnace
Assignee: Individual
•
Filing: 1925-04-10
•
Granted: 1925-07-07
•
Expires: 1945-04-10
Abstract
No abstract record available.
Inventors
- 👤 Mehner Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:04
CPC Classifications
F; F27; F27B; F27B15/00; F27B15/02; F27B15/10; F27B17/00; F27B3/00; F27B3/10; F27B3/22
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) | 1928-07-06 | 1929-01-05 | 1929-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-06 | 1933-01-05 | 1933-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-06 | 1937-01-05 | 1937-07-07 | $7700.00 | Window Closed / Lapsed |