US3203683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting torch apparatch
Assignee: Messer Griesheim GmbH
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Filing: 1963-01-30
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Granted: 1965-08-31
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Weiler Hans Philipp Emmerich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:51
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/10; B23K7/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A TORCH CUTTING APPARATUS COMPRISING A TORCH, MEANS FOR MOVING SAID TORCH ACROSS AND ABOVE A WORKPIECE TO BE CUT, MEANS FOR RAISING AND LOWERING SAID TORCH AS IT MOVES ACROSS SAID WORK PIECE, A HEIGHT REGISTERING SHOE SUPPORTED BY SAID TORCH AND SPACED FROM SAID WORK PIECE SURFACE, AND AUTOMATIC ADJUSTING MEANS CONNECTING SAID SHOE AND WORK PIECE WITH SAID TORCH RAISING AND LOWERING MEANS FOR MAINTAINING A UNIFORM SPACING BETWEEN SAID NOZZLE AND SAID WORK PIECE SURFACE REGARDLESS OF HIGH AND LOW AREAS IN SAID WORK PIECE SURFACE OVER WHICH SAID TORCH IS MOVED, THE IMPROVEMENT BEING THE PORTION OF THE SHOE DIRECTED TO THE WORK PIECE SURFACE HAS UPWARDLY CURVED PORTIONS ON THE OUTER EDGE OF THE SHOE, CORRESPONDING TO THE DIRECTION OF MOVEMENT OF THE TORCH.
Claim 2
Dependent Claim
131 words
IN A TORCH CUTTING APPARATUS COMPRISING A TORCH, MEANS FOR MOVING SAID TORCH ACROSS AND ABOVE A WORKPIECE TO BE CUT, MEANS FOR RAISING AND LOWERING SAID TORCH AS IT MOVES ACROSS SAID WORK PIECE, A HEIGHT REGISTERING SHOE SUPPORTED BY SAID TORCH AND SPACED FROM SAID WORK PIECE SURFACE, AND AUTOMATIC ADJUSTING MEANS CONNECTING SAID SHOE AND WORK PIECE WITH SAID TORCH RAISING AND LOWERING MEANS FOR MAINTAINING A UNIFORM SPACING BETWEEN SAID NOZZLE AND SAID WORK PIECE SURFACE REGARDLESS OF HIGH AND LOW AREAS IN SAID WORK PIECE SURFACE OVER WHICH SAID TORCH IS MOVED, THE IMPROVEMENT BEING THE PORTION OF THE SHOE DIRECTED TO THE WORK PIECE SURFACE HAS UPWARDLY CURVED PORTIONS ON THE OUTER EDGE OF THE SHOE, CORRESPONDING TO THE DIRECTION OF MOVEMENT OF THE TORCH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |