US3496678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rough and finish honing tool
Assignee: Micromatic Hone Corp
•
Filing: 1965-01-21
•
Granted: 1970-02-24
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Robert C Engle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:35
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/10; B24B33/105; B24B33/02; B24B33/08; B24B33/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2263781A
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US2167758A
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US2229318A
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US2284325A
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US2383657A
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US2443268A
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US2805521A
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US2790278A
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US3013363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |