Patent US2700324A successfully refreshed from Google Patents.
US2700324A
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US
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Method of hobbing
Assignee: CLEVELAND HOBBING MACHINE CO
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Filing: 1949-04-12
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Granted: 1955-01-25
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Expires: 1969-04-12
Abstract
No abstract record available.
Inventors
- 👤 Otis E Staples
- 👤 Anthony J Bent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:30
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/20; B23F5/22; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/101749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2231866A
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US2122219A
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US2211611A
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US2273050A
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US2484856A
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US2537967A
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US2483810A
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US2481974A
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US2516750A
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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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |