US3524248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool with automatic tool changing
Assignee: Gebrueder Heller Maschinenfabrik GmbH
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Filing: 1967-09-13
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Granted: 1970-08-18
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Expires: 1987-09-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Durr
- 👤 Otto C Gunsser
- 👤 Hubert M Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:45
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/1552; B23Q3/1554; B23Q3/157; B23Q2003/155414; B23Q2003/155421; B23Q2003/155425; B23Q2003/155432; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5107; Y10T408/00; Y10T408/36; Y10T409/00; Y10T409/30; Y10T409/30448; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1781; Y10T483/18; Y10T483/1873; Y10T483/1882; Y10T82/00; Y10T82/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3281935A
Cited
US3312370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |