US3464312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear cutting machine for generating hypoid gears
Assignee: Yutaka Seimitsu Kogyo Ltd
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Filing: 1967-05-02
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Granted: 1969-09-02
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Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Ryosetsu Takahashi
- 👤 Toru Hanzawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:14
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/10; B23F23/00; B23F23/12; B23F23/1237; B23F23/125; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/103816; Y10T409/104134; Y10T409/104452; Y10T409/104611
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 |