US3202446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook positioner
Assignee: Armco Inc
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Filing: 1963-01-15
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Granted: 1965-08-24
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Spencer W Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/02; E21B19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A DEVICE OF THE CLASS DESCRIBED, THE COMBINATION OF: A STEM MEMBER, A HOUSING MEMBER ENCIRCLING THE STEM MEMBER TO DEFINE AN ANNULAR SPACE THEREBETWEEN, MEANS INCLUDING A THRUST BEARING SUPPORTING ONE MEMBER ON THE OTHER FOR RELATIVE ROTARY MOVEMENT, SAID MEANS ALSO INCLUDING A COMPRESSION SPRING MOUNTED WITHIN SAID ANNULAR SPACE TO PERMIT RELATVIE TELESCOPIC MOVEMENT OF SAID MEMBERS, ONE OF THE MEMBERS HAVING A SHOULDER, A FRICTION PLATE MOUNTED ON THE OTHER MEMBER AND ADAPTED TO FRICTIONALLY ENGAGE SAID SHOULDER, MEANS PREVENTING ROTARY MOVEMENT OF THE FRICTION PLATE WITH RESPECT TO SAID OTHER MEMBER, A RETAINER ELEMENT ON THE LATTER SAID MEMBER PERMITTING LIMITED AXIAL MOVEMENT OF SAID FRICTION PLATE WITH RESPECT TO SAID OTHER MEMBER, BIAS MEANS INTERPOSED BETWEEN SAID FRICTION PLATE AND SAID MEMBER FOR MOVING SAID FRICTION PLATE IN A DIRECTION TO CONTACT SAID SHOULDER, SAID FRICTION PLATE ENGAGING SAID RETAINER ELEMENT UPON TELESCOPIC MOVEMENT OF SAID MEMBERS IN A DIRECTION TO COMPRESS SAID SPRING.
Claim 2
Dependent Claim
161 words
IN A DEVICE OF THE CLASS DESCRIBED, THE COMBINATION OF: A STEM MEMBER, A HOUSING MEMBER ENCIRCLING THE STEM MEMBER TO DEFINE AN ANNULAR SPACE THEREBETWEEN, MEANS INCLUDING A THRUST BEARING SUPPORTING ONE MEMBER ON THE OTHER FOR RELATIVE ROTARY MOVEMENT, SAID MEANS ALSO INCLUDING A COMPRESSION SPRING MOUNTED WITHIN SAID ANNULAR SPACE TO PERMIT RELATVIE TELESCOPIC MOVEMENT OF SAID MEMBERS, ONE OF THE MEMBERS HAVING A SHOULDER, A FRICTION PLATE MOUNTED ON THE OTHER MEMBER AND ADAPTED TO FRICTIONALLY ENGAGE SAID SHOULDER, MEANS PREVENTING ROTARY MOVEMENT OF THE FRICTION PLATE WITH RESPECT TO SAID OTHER MEMBER, A RETAINER ELEMENT ON THE LATTER SAID MEMBER PERMITTING LIMITED AXIAL MOVEMENT OF SAID FRICTION PLATE WITH RESPECT TO SAID OTHER MEMBER, BIAS MEANS INTERPOSED BETWEEN SAID FRICTION PLATE AND SAID MEMBER FOR MOVING SAID FRICTION PLATE IN A DIRECTION TO CONTACT SAID SHOULDER, SAID FRICTION PLATE ENGAGING SAID RETAINER ELEMENT UPON TELESCOPIC MOVEMENT OF SAID MEMBERS IN A DIRECTION TO COMPRESS SAID SPRING.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |