Patent US3400837A successfully refreshed from Google Patents.
US3400837A
Expired / Lapsed
US
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Automatic feeding and discharging system for machine tools
Assignee: Flintkote Co
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Filing: 1967-06-22
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Granted: 1968-09-10
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Dalik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:14
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/001; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2516; Y10T82/2531; Y10T82/2549
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272179A
Cited
US3055245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |