Patent US3468775A successfully refreshed from Google Patents.
US3468775A
Expired / Lapsed
US
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Electrolytic stock removal and deburring method
Assignee: Motors Liquidation Co
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Filing: 1964-09-29
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Granted: 1969-09-23
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Harold W Lanning
- 👤 Alfred J Williams Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:25
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3223603A
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US3121054A
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US3213258A
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US3267018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |