Patent US3512064A successfully refreshed from Google Patents.
US3512064A
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Numerical machine tool with polyphase position detector with means selecting particular phase and means preventing excessive lag
Assignee: NEC Corp
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Filing: 1968-08-05
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Granted: 1970-05-12
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Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Kiyokazu Okamoto
- 👤 Hajime Iida
- 👤 Hiroshi Shinagawa
- 👤 Masahiro Yoshioka
- 👤 Takeo Ando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:46
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05D; G05D3/00; G05D3/12; G05D3/20; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41363
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |