Patent US1274809A successfully refreshed from Google Patents.
Patent US3190629A successfully refreshed from Google Patents.
US3190629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draper blast furnace tapping rig
Assignee: —
•
Filing: —
•
Granted: 1965-06-22
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:22
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/12; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4653; F; F27; F27D; F27D3/00; F27D3/15; F27D3/1509
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A BLAST FURNACE TAPPING RIG COMPRISING, A PNEUMATICALLY OPERABLE PERCUSSION DRILL, A DRILL CARRIER MEMBER SUPPORTING SAID DRILL FOR AXIAL MOVEMENT TO AND FROM EXTENDED AND RETRACTED POSITIONS, MEANS INCLUDING A SWINGABLE ARM FOR SUPPORTING SAID CARRIER MEMBER AND SAID DRILL IN THE VICINITY OF THE IRON NOTCH OF THE FURNACE FOR SWINGING MOVEMENT FROM A POSITION ABOVE AND LATERALLY OF THE IRON NOTCH TO A POSITION IN WHICH THE DRILL BIT IS ADJACENT THE IRON NOTCH AND IN FIXED AXIAL ALIGNMENT WITH THE HOLE TO BE TAPPED WHEN THE DRILL IS IN ITS RETRACTED POSITION, A CONTROL STATION LOCATED WITHIN VIEWING DISTANCE OF THE FURNACE REMOTE FROM THE IRON NOTCH VICINITY, MEANS CONTROLLED FROM SAID STATION FOR EFFECTING SWINGING MOVEMENT OF SAID CARRIER MEMBER AND SAID DRILL FROM ONE OF ITS SAID POSITIONS TO THE OTHER OF ITS SAID POSITIONS, MEANS AT SAID STATION FOR ALSO FEEDING
Claim 2
Dependent Claim
148 words
A BLAST FURNACE TAPPING RIG COMPRISING, A PNEUMATICALLY OPERABLE PERCUSSION DRILL, A DRILL CARRIER MEMBER SUPPORTING SAID DRILL FOR AXIAL MOVEMENT TO AND FROM EXTENDED AND RETRACTED POSITIONS, MEANS INCLUDING A SWINGABLE ARM FOR SUPPORTING SAID CARRIER MEMBER AND SAID DRILL IN THE VICINITY OF THE IRON NOTCH OF THE FURNACE FOR SWINGING MOVEMENT FROM A POSITION ABOVE AND LATERALLY OF THE IRON NOTCH TO A POSITION IN WHICH THE DRILL BIT IS ADJACENT THE IRON NOTCH AND IN FIXED AXIAL ALIGNMENT WITH THE HOLE TO BE TAPPED WHEN THE DRILL IS IN ITS RETRACTED POSITION, A CONTROL STATION LOCATED WITHIN VIEWING DISTANCE OF THE FURNACE REMOTE FROM THE IRON NOTCH VICINITY, MEANS CONTROLLED FROM SAID STATION FOR EFFECTING SWINGING MOVEMENT OF SAID CARRIER MEMBER AND SAID DRILL FROM ONE OF ITS SAID POSITIONS TO THE OTHER OF ITS SAID POSITIONS, MEANS AT SAID STATION FOR ALSO FEEDING
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |