US3423812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple spindle machine
Assignee: DMG Mori AG
•
Filing: 1966-09-06
•
Granted: 1969-01-28
•
Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 Guenter Spur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:48
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/15513; B23B; B23B3/00; B23B3/30; B23B9/00; B23B9/08; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5128; Y10T29/5152; Y10T29/5153; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2521; Y10T82/2524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2540186A
Cited
US2579998A
Cited
US3186085A
Cited
US3259976A
Cited
US3238615A
Cited
US3355797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |