Patent US2684016A successfully refreshed from Google Patents.
US2684016A
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Hobbing machine
Assignee: CLEVELAND HOBBING MACHINE CO
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Filing: 1948-04-16
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Granted: 1954-07-20
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Expires: 1968-04-16
Abstract
No abstract record available.
Inventors
- 👤 Otis E Staples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:37
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/20; B23F5/22; B23F5/205; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/102226; Y10T409/102385; Y10T409/102544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1878656A
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US2075489A
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US2032646A
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US2292260A
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US2271677A
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US2291508A
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US2315068A
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US2260935A
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US2473709A
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US2472644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |