Patent US3176553A successfully refreshed from Google Patents.
US3176553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pick off attachment
Assignee: Devlieg Bullard Inc
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Filing: 1962-07-06
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Granted: 1965-04-06
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Karl P Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
B; B23; B23Q; B23Q39/00; B23Q39/04; B23Q39/048; B23B; B23B31/00; B23B31/003; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2072; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1266; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17521; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125; Y10T82/00; Y10T82/25; Y10T82/2593
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A PICKOFF ATTACHMENT INCLUDING A HOUSING, A PICKOFF SPINDLE MOUNTED IN SAID HOUSING FOR ROTATIVE MOVEMENT, A CHUCK COAXIAL WITH SAID PICKOFF SPINDLE, A CHUCK SLEEVE COAXIAL WITH SAID CHUCK AND MOVABLE AXIALLY WITH RESPECT THERETO TO CAUSE OPENING AND CLOSING OF SAID CHUCK, ONE END OF SAID CHUCK SLEEVE SURROUNDING SAID PICKOFF SPINDLE, A PLURALITY OF CIRCUMFERENTIALLY SPACED DETENT RECEIVING RADIALLY TAPERED GROOVES IN SAID ONE END OF SAID CHUCK SLEEVE, DETENTS POSITIONED IN SAID GROOVES, AN AXIALLY MOVABLE CAM SLEEVE SURROUNDING SAID CHUCK SLEEVE AND SAID DETENTS AND AXIALLY SLIDABLE ON SAID CHUCK SLEEVE, AXIALLY TAPERED WALL MEANS ON ONE OF SAID CAM SLEEVE AND SAID DETENTS, WALL MEANS IN SAID HOUSING FORMING AN ANNULAR CYLINDER, AND AN AXIALLY MOVABLE PISTON IN SAID CYLINDER AND GENERALLY SURROUNDING AND CONNECTED TO MOVE SAID CAM SLEEVE.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |