Patent US3395494A successfully refreshed from Google Patents.
US3395494A
Expired / Lapsed
US
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Lapping machine
Assignee: LELAND T SOGN
•
Filing: 1965-05-25
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Granted: 1968-08-06
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Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 Leland T Sogn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:46
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US626895A
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US1257046A
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US1536714A
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US1577097A
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US2033922A
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US2369107A
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US2401953A
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US3063206A
Cited
US3110988A
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US3089292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |