US2475902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous gear grinding machine
Assignee: Cross Co
•
Filing: 1946-09-05
•
Granted: 1949-07-12
•
Expires: 1966-09-05
Abstract
No abstract record available.
Inventors
- 👤 Klamp Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:20
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/02; B23F5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1642554A
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US1640993A
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US1753448A
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US1720620A
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US1823734A
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US1985213A
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US2178022A
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GB520557A
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US2307238A
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US2385650A
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US2424191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |