US1817405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cycloidal curves
Assignee: Friedrich Deckel AG
•
Filing: 1926-11-30
•
Granted: 1931-08-04
•
Expires: 1946-11-30
Abstract
No abstract record available.
Inventors
- 👤 Braren Lorenz Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:40
CPC Classifications
B; B23; B23F; B23F5/00; B23F23/00; B23F23/003; B23F23/12; B23F23/1225; Y; Y10; Y10S; Y10S451/00; Y10S451/90; Y10S451/913
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1934-08-03 | 1935-02-02 | 1935-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-03 | 1939-02-02 | 1939-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-03 | 1943-02-02 | 1943-08-04 | $7700.00 | Window Closed / Lapsed |