Patent US3464313A successfully refreshed from Google Patents.
US3464313A
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Calibrated slotting tool
Assignee: Individual
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Filing: 1968-01-29
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Granted: 1969-09-02
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Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Shay
- 👤 Roland R Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:43
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0014; B23C; B23C3/00; B23C3/28; B23Q16/00; B23Q16/005; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304424; Y10T409/306216; Y10T409/306384; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/384; Y10T83/394
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |