US2066186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truing die and method
Assignee: Cleveland Tractor Co
•
Filing: 1935-07-02
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Granted: 1936-12-29
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Expires: 1955-07-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/74; B21K23/00; B21K23/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49448; Y10T29/49449
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) | 1939-12-29 | 1940-06-29 | 1940-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-29 | 1944-06-29 | 1944-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-29 | 1948-06-29 | 1948-12-29 | $7700.00 | Window Closed / Lapsed |