Patent EP0887723A2 successfully refreshed from Google Patents.
US2018267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine element
Assignee: ELECTRO METALLURG CO
•
Filing: 1933-10-04
•
Granted: 1935-10-22
•
Expires: 1953-10-04
Abstract
No abstract record available.
Inventors
- 👤 Augustus B Kinzel
- 👤 Crafts Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:46
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/16; C22C38/14; C22C38/18; C22C38/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987
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) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |