Patent US2437570A successfully refreshed from Google Patents.
US2437570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe
Assignee: AG DER EISEN- und STAHLWERKE VORM GEORG FISCHER
•
Filing: 1944-05-29
•
Granted: 1948-03-09
•
Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 Zelewsky Ottomar Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:32
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q2735/00; B23Q2735/02; B23Q2735/08; B23Q2735/082; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/147
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US170538A
Cited
US998273A
Cited
US1166126A
Cited
US1373586A
Cited
US1474673A
Cited
US1896052A
Cited
US1866838A
Cited
FR812698A
Cited
US2169135A
Cited
US2250241A
Cited
US2331443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |