US2226431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating mechanism for machine tools
Assignee: Milacron Inc
•
Filing: 1939-10-12
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Granted: 1940-12-24
•
Expires: 1959-10-12
Abstract
No abstract record available.
Inventors
- 👤 Fred A Hassman
- 👤 Edgar D Vancil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:22
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/126; B23Q11/127; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303976
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) | 1943-12-24 | 1944-06-24 | 1944-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-24 | 1948-06-24 | 1948-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-24 | 1952-06-24 | 1952-12-24 | $7700.00 | Window Closed / Lapsed |