US1537381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting and milling tool and method of manufacturing the same
Assignee: Krupp Stahl AG
•
Filing: 1920-12-28
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Granted: 1925-05-12
•
Expires: 1940-12-28
Abstract
No abstract record available.
Inventors
- 👤 Strauss Benno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:54
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C23; C23C; C23C8/00; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/905
Claims Analysis
Total Claims: 0
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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) | 1928-05-11 | 1928-11-10 | 1929-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-11 | 1932-11-10 | 1933-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-11 | 1936-11-10 | 1937-05-12 | $7700.00 | Window Closed / Lapsed |