US3051012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shifting mechanism between inch and metric system threading feeds for screw thread cutting on machine tools
Assignee: Okuma Corp
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Filing: 1960-07-07
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Granted: 1962-08-28
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Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Sato Fumio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:05
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/36; F16H3/363; B; B23; B23G; B23G1/00; B23G1/02; B23G1/04; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/46; B23Q5/48; B23Q2705/00; B23Q2705/10; B23Q2705/18; B23Q2705/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19358; Y10T74/19367
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |