US3544286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool changer for machine tools
Assignee: MAN AG
•
Filing: 1968-04-08
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Granted: 1970-12-01
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Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Otto Oeckl
- 👤 Richard Purschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:39
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15713; B23Q3/1572; B23Q3/15753; B23Q3/15766; Y; Y10; Y10T; Y10T408/00; Y10T408/96; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1783; Y10T483/1788; Y10T483/18; Y10T483/1873; Y10T483/1882
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |