Patent US3388901A successfully refreshed from Google Patents.
US3388901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame cutter carried by annular cam ring and rotating radius rod
Assignee: HERMAN V FERGURSON
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Filing: 1966-06-03
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Granted: 1968-06-18
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Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Herman V Fergurson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:16
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A FRAME HAVING A WORK-ENGAGING MEMBER, A RADIUS ROD JOURNALLED ON THE FRAME AND LATERALLY SPACED FROM SAID WORK-ENGAGING MEMBER, SAID ROD HAVING A POINTED WORKENGAGING END, SAID FRAME HAVING A TUBULAR HOUSING FIXED THERETO AND SURROUNDING SAID ROD, A FIXED ANNULAR CAM RING CONFORMING IN CONTOUR TO THE CURVATURE OF THE SURFACE OF THE WORK SURROUNDING AND SUPPORTED ON SAID HOUSING, A CAM ARM BLOCK SUPPORTED TO MOVE ALONG THE ROD AND TO TURN WITH THE ROD, A CAM ARM FIXED TO SAID BLOCK, SAID CAM ARM HAVING OPPOSED CAM FOLLOWER MEANS ENGAGED WITH OPPOSITE SIDES OF THE CAM RING, A CUTTING TORCH ASSEMBLY COMPRISING A LATERAL MEMBER CARRIED BY AND EXTENDING FROM SAID CAM ARM BLOCK, A TORCH CARRIED BY SAID LATERAL MEMBER, AND MEANS FOR ROTATING THE RADIUS ROD.
Claim 2
Independent Claim
139 words
A DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A FRAME HAVING A WORK-ENGAGING MEMBER, A RADIUS ROD JOURNALLED ON THE FRAME AND LATERALLY SPACED FROM SAID WORK-ENGAGING MEMBER, SAID ROD HAVING A POINTED WORKENGAGING END, SAID FRAME HAVING A TUBULAR HOUSING FIXED THERETO AND SURROUNDING SAID ROD, A FIXED ANNULAR CAM RING CONFORMING IN CONTOUR TO THE CURVATURE OF THE SURFACE OF THE WORK SURROUNDING AND SUPPORTED ON SAID HOUSING, A CAM ARM BLOCK SUPPORTED TO MOVE ALONG THE ROD AND TO TURN WITH THE ROD, A CAM ARM FIXED TO SAID BLOCK, SAID CAM ARM HAVING OPPOSED CAM FOLLOWER MEANS ENGAGED WITH OPPOSITE SIDES OF THE CAM RING, A CUTTING TORCH ASSEMBLY COMPRISING A LATERAL MEMBER CARRIED BY AND EXTENDING FROM SAID CAM ARM BLOCK, A TORCH CARRIED BY SAID LATERAL MEMBER, AND MEANS FOR ROTATING THE RADIUS ROD.
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |