US1092623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cupola-furnace.
Assignee: Individual
•
Filing: 1913-03-29
•
Granted: 1914-04-07
•
Expires: 1933-03-29
Abstract
No abstract record available.
Inventors
- 👤 Michael Zippler Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:24
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10; F27B1/16
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) | 1917-04-06 | 1917-10-06 | 1918-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-04-06 | 1921-10-06 | 1922-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-04-06 | 1925-10-06 | 1926-04-07 | $7700.00 | Window Closed / Lapsed |