US3492552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital control system for tools in three axes of operation
Assignee: Fujitsu Ltd
•
Filing: 1967-09-26
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Granted: 1970-01-27
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Expires: 1987-09-26
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Usami
- 👤 Kengo Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002; B23K7/001; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/188; G05B19/19; G05B19/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2679620A
Cited
US3015806A
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US3073998A
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US2996348A
Cited
US3072833A
Cited
US3394293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |