US2661640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for shape-turning and for the production of hollow shapes and turned parts bymeans of a rotating cutting tool on machine tools
Assignee: ARMAG SPEZIALWERKZEUGE und MAS
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Filing: 1951-06-15
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Granted: 1953-12-08
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Ruegg Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:03
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03457; Y; Y10; Y10T; Y10T82/00; Y10T82/12; Y10T82/122; Y10T82/125; Y10T82/128
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |