Patent EP0209708A2 successfully refreshed from Google Patents.
Patent US4557896A successfully refreshed from Google Patents.
Patent US1692152A successfully refreshed from Google Patents.
Patent US3532383A successfully refreshed from Google Patents.
Patent US1918138A successfully refreshed from Google Patents.
US1918138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for machining rolls for rolling mills and the like
Assignee: Individual
•
Filing: 1931-12-07
•
Granted: 1933-07-11
•
Expires: 1951-12-07
Abstract
No abstract record available.
Inventors
- 👤 Schimmel Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:02
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q2735/00; B23Q2735/02; B23Q2735/025; Y; Y10; Y10T; Y10T82/00; Y10T82/13
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) | 1936-07-10 | 1937-01-09 | 1937-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-10 | 1941-01-09 | 1941-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-10 | 1945-01-09 | 1945-07-11 | $7700.00 | Window Closed / Lapsed |