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
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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 15:47
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
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References Cited (Backward Citations)
US170538A
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US998273A
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US1166126A
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US1373586A
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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 |