Patent US2436588A successfully refreshed from Google Patents.
US2436588A
Expired / Lapsed
US
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Cam grinding machine
Assignee: Michigan Tool Co
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Filing: 1945-08-02
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Granted: 1948-02-24
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Expires: 1965-08-02
Abstract
No abstract record available.
Inventors
- 👤 Martin James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:01
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/08; B24B19/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191323600A
Cited
US1470995A
Cited
US2053597A
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US2116686A
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US2209228A
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US2321789A
Cited
US2366993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |