Patent US2655771A successfully refreshed from Google Patents.
US2655771A
Expired / Lapsed
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Honing tool for external cylindrical surfaces
Assignee: Micromatic Hone Corp
•
Filing: 1950-02-06
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Granted: 1953-10-20
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Expires: 1970-02-06
Abstract
No abstract record available.
Inventors
- 👤 John E Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:52
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/08; B24B33/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US183266A
Cited
US351550A
Cited
US1048542A
Cited
US1182478A
Cited
US1239431A
Cited
US1591967A
Cited
US1543006A
Cited
US1655133A
Cited
US1840720A
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US1857047A
Cited
US1967744A
Cited
US2138258A
Cited
US2257452A
Cited
US2249388A
Cited
US2277047A
Cited
US2374849A
Cited
US2451600A
Cited
US2474756A
Cited
US2516648A
Cited
US2502381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |