US1981682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: SCHIESS DEFRIES AG
•
Filing: 1931-12-03
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Granted: 1934-11-20
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Expires: 1951-12-03
Abstract
No abstract record available.
Inventors
- 👤 Vogler Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:08
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/08; B23B3/10; B23B29/00; B23B29/02; Y; Y10; Y10S; Y10S408/00; Y10S408/71; Y10T; Y10T408/00; Y10T408/96; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2549; Y10T82/2572
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) | 1937-11-19 | 1938-05-21 | 1938-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-19 | 1942-05-21 | 1942-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-19 | 1946-05-21 | 1946-11-20 | $7700.00 | Window Closed / Lapsed |