US3079007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing and replacing charging hole covers of coke ovens
Assignee: United States Steel Corp
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Filing: 1960-09-26
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Granted: 1963-02-26
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Walter A Bowman
- 👤 Edgar W Hunter
- 👤 Palumbo Pete
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:36
CPC Classifications
C; C10; C10B; C10B25/00; C10B25/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN AN APPARATUS FOR HANDLING COKE OVEN CHARGING HOLE COVERS HAVING A CONICAL PORTION SPACED FROM AND ATTACHED TO THE MAIN PORTION OF THE COVER BY MEANS OF A NON-CIRCULAR STEM WHICH APPARATUS INCLUDES A CAR, THE IMPROVEMENT WHICH COMPRISES A LIFTING HEAD MOUNTED ON SAID CAR FOR VERTICAL MOVEMENT, SAID LIFTING HEAD INCLUDING A VERTICAL TUBULAR MEMBER FOR RECEIVING THE SAID CONICAL PORTION AND A PAIR OF DIAMETRICALLY OPPOSED ARMS PIVOTALLY MOUNTED ON SAID TUBULAR MEMBERS FOR MOVEMENT ABOUT HORIZONTAL AXES, MEANS FOR MOVING SAID ARMS ABOUT THEIR AXES FROM A POSITION IN ENGAGEMENT WITH SAID STEM TO A POSITION BEYOND SAID CONICAL PORTION MEANS FOR RAISING AND LOWERING SAID LIFTING HEAD, MEANS TO PERMIT LIMITED LATERAL MOVEMENT OF SAID LIFTING HEAD INTO VERTICAL ALIGNMENT WITH SAID STEM AND MEANS FOR OSCILLATING SAID LIFTING HEAD ABOUT A VERTICAL AXIS.
Claim 2
Dependent Claim
140 words
IN AN APPARATUS FOR HANDLING COKE OVEN CHARGING HOLE COVERS HAVING A CONICAL PORTION SPACED FROM AND ATTACHED TO THE MAIN PORTION OF THE COVER BY MEANS OF A NON-CIRCULAR STEM WHICH APPARATUS INCLUDES A CAR, THE IMPROVEMENT WHICH COMPRISES A LIFTING HEAD MOUNTED ON SAID CAR FOR VERTICAL MOVEMENT, SAID LIFTING HEAD INCLUDING A VERTICAL TUBULAR MEMBER FOR RECEIVING THE SAID CONICAL PORTION AND A PAIR OF DIAMETRICALLY OPPOSED ARMS PIVOTALLY MOUNTED ON SAID TUBULAR MEMBERS FOR MOVEMENT ABOUT HORIZONTAL AXES, MEANS FOR MOVING SAID ARMS ABOUT THEIR AXES FROM A POSITION IN ENGAGEMENT WITH SAID STEM TO A POSITION BEYOND SAID CONICAL PORTION MEANS FOR RAISING AND LOWERING SAID LIFTING HEAD, MEANS TO PERMIT LIMITED LATERAL MOVEMENT OF SAID LIFTING HEAD INTO VERTICAL ALIGNMENT WITH SAID STEM AND MEANS FOR OSCILLATING SAID LIFTING HEAD ABOUT A VERTICAL AXIS.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |