Patent US1080224A successfully refreshed from Google Patents.
US1080224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of steel and for the refining thereof.
Assignee: Individual
•
Filing: 1912-06-05
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Granted: 1913-12-02
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Expires: 1932-06-05
Abstract
No abstract record available.
Inventors
- 👤 John Walthart Latcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
C; C22; C22B; C22B9/00; C22B9/02
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) | 1916-12-01 | 1917-06-02 | 1917-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-12-01 | 1921-06-02 | 1921-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-12-01 | 1925-06-02 | 1925-12-02 | $7700.00 | Window Closed / Lapsed |