Patent US2561146A successfully refreshed from Google Patents.
US2561146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mill roll stand
Assignee: Samuel M Langston Co
•
Filing: 1947-06-10
•
Granted: 1951-07-17
•
Expires: 1967-06-10
Abstract
No abstract record available.
Inventors
- 👤 Sieg Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:24
CPC Classifications
B; B65; B65H; B65H16/00; B65H16/02; B65H16/06; B65H19/00; B65H19/10; B65H19/12; B65H19/126; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2403/00; B65H2403/50; B65H2403/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US527879A
Cited
US1930074A
Cited
US1957122A
Cited
US2140928A
Cited
US2066377A
Cited
US2177577A
Cited
US2195141A
Cited
US2405637A
Cited
US2490685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |