US3171681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gripper for doffing arrangements in spinning machines
Assignee: C Eugen Maier Metallverarbeitung GmbH
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Filing: 1963-04-11
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Granted: 1965-03-02
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Roller Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:27
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/001; D01H9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A GRIPPER FOR DRAWING OFF OR DOFFING ARRANGEMENTS AT BOBBIN CHANGERS FOR SPINNING MACHINES, COMPRISING HOLDING MEANS, A GRIPPER, MEANS MOUNTING SAID GRIPPER IN SAID HOLDING MEANS IN AN ARTICULATED MANNER, A FLUID PRESSURE SUPPLY HOSE FOR ACTUATING SAID GRIPPER CONNECTED TO SAID GRIPPER IN A MANNER TO PERMIT MOVEMENT THEREOF, SAID MEANS MOUNTING SAID GRIPPER INCLUDING A BORE DEFINED IN SAID HOLDING MEANS HAVING A TAPERED LOWER END, SAID GRIPPER HAVING A HEAD PORTION WITH A BALL MEMBER
Claim 2
Dependent Claim
79 words
A GRIPPER FOR DRAWING OFF OR DOFFING ARRANGEMENTS AT BOBBIN CHANGERS FOR SPINNING MACHINES, COMPRISING HOLDING MEANS, A GRIPPER, MEANS MOUNTING SAID GRIPPER IN SAID HOLDING MEANS IN AN ARTICULATED MANNER, A FLUID PRESSURE SUPPLY HOSE FOR ACTUATING SAID GRIPPER CONNECTED TO SAID GRIPPER IN A MANNER TO PERMIT MOVEMENT THEREOF, SAID MEANS MOUNTING SAID GRIPPER INCLUDING A BORE DEFINED IN SAID HOLDING MEANS HAVING A TAPERED LOWER END, SAID GRIPPER HAVING A HEAD PORTION WITH A BALL MEMBER
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |