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US2769375A
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Hobbing machine
Assignee: Michigan Tool Co
•
Filing: 1951-03-28
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Granted: 1956-11-06
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Expires: 1971-03-28
Abstract
No abstract record available.
Inventors
- 👤 Alexander D F Moncrieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:51
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1237; B23F23/1243; B23F23/10; B23F5/00; B23F5/20; B23F5/22; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100636; Y10T409/101431; Y10T409/10159; Y10T409/102067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1081971A
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US1696660A
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US1755916A
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US2316367A
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US2132941A
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US2484856A
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US2537967A
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US2481974A
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US2528242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |