US3460412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool-changing devices for machine tools
Assignee: Heidenreich and Harbeck GmbH
•
Filing: 1966-09-19
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Granted: 1969-08-12
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Rolf Clausen
- 👤 Gunter Kleimenhagen
- 👤 Ernst Salje
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:34
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/15506; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T483/00; Y10T483/17; Y10T483/1702; Y10T483/1726; Y10T82/00; Y10T82/25; Y10T82/2572; Y10T82/2585
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3186266A
Cited
US3354761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |