US3286595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Individual
•
Filing: 1965-09-21
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Granted: 1966-11-22
•
Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 Wollenhaupt Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:59
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q2003/1558; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/37; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/307784; Y10T409/309576; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1736; Y10T483/1738; Y10T483/179
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
IN AN AUTOMATIC MULTIPLE SPINDLE MACHINE, A FRAME; A SLIDE MOUNTED ON SAID FRAME; A FIRST MULTIPLE-SPINDLE TOOL HOLDER DETACHABLY CONNECTED WITH SAID SLIDE; A SPARE MULTIPLE-SPINDLE TOOL HOLDER; AND INTERCHANGING MEANS COMPRISING LIFTING MEANS FOR SIMULTANEOUSLY MOVING SAID TOOL HOLDERS VERTICALLY TOWARD AND AWAY FROM SAID SLIDE, AND TURNING MEANS FOR SIMULTANEOUSLY TURNING SAID TOOL HOLDERS SUBSEQUENT TO MOVEMENT AWAY FROM SAID SLIDE AND THROUGH SUCH AN ANGLE THAT THE SPARE TOOL HOLDER IS AUTOMATICALLY CONNECTED TO THE SLIDE SUBSEQUENT TO DOWNWARD MOVEMENT THEREOF.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |