US2238304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: Chicago Wheel and Manufacturing Co
•
Filing: 1938-10-12
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Granted: 1941-04-15
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Expires: 1958-10-12
Abstract
No abstract record available.
Inventors
- 👤 Albert P D Belanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:39
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/28; B23C3/34; B23C1/00; B23C1/20; B24; B24B; B24B19/00; B24B19/02; B44; B44B; B44B11/00; B44B11/02; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/308624
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) | 1944-04-14 | 1944-10-14 | 1945-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-14 | 1948-10-14 | 1949-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-14 | 1952-10-14 | 1953-04-15 | $7700.00 | Window Closed / Lapsed |