US1875220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill housing
Assignee: American Brass Co
•
Filing: 1931-05-27
•
Granted: 1932-08-30
•
Expires: 1951-05-27
Abstract
No abstract record available.
Inventors
- 👤 James R Coe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:37
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/02; B21B31/028; B21B13/00; B21B13/02; B21B2013/025; B21B31/16; B21B31/20; B21B2031/206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1935-08-30 | 1936-02-29 | 1936-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-30 | 1940-02-29 | 1940-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-30 | 1944-02-29 | 1944-08-30 | $7700.00 | Window Closed / Lapsed |