Patent US2433468A successfully refreshed from Google Patents.
US2433468A
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US
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Gear treating machine
Assignee: FOOTE BROS GEAR AND MACHINE CO
•
Filing: 1942-04-25
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Granted: 1947-12-30
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Expires: 1962-04-25
Abstract
No abstract record available.
Inventors
- 👤 Mackmann Arthur
- 👤 William E Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1218; B23F19/00; B23F19/06; B23F21/00; B23F21/28; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/105724; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |