US3426175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distance maintenance device for torch
Assignee: Messer Griesheim GmbH
•
Filing: 1966-07-27
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Granted: 1969-02-04
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Expires: 1986-07-27
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Hahne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/10; B23K7/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN APPARATUS FOR MAINTAINING A DISTANCE BETWEEN A TORCH AND A WORK PIECE DURING THE RELATIVE MOVEMENT OF SAID TORCH WITH RESPECT TO THE WORK PIECE COMPRISING A TORCH, DISTANCE ADJUSTING MEANS CONNECTED TO SAID TORCH, PITOT TUBE MEANS CONNECTED TO SAID TORCH, SAID TUBE MEANS HAVING A GAS STREAM DIRECTED TOWARD THE LANE OF THE WORK PIECE AND HAVING A VELOCITY HEAD, AND CONTROL MEANS ACTUATED BY THE VELOCITY HEAD FOR CONTROLLING THE OPERATION OF SAID ADJUSTING MEANS.
Claim 2
Independent Claim
79 words
AN APPARATUS FOR MAINTAINING A DISTANCE BETWEEN A TORCH AND A WORK PIECE DURING THE RELATIVE MOVEMENT OF SAID TORCH WITH RESPECT TO THE WORK PIECE COMPRISING A TORCH, DISTANCE ADJUSTING MEANS CONNECTED TO SAID TORCH, PITOT TUBE MEANS CONNECTED TO SAID TORCH, SAID TUBE MEANS HAVING A GAS STREAM DIRECTED TOWARD THE LANE OF THE WORK PIECE AND HAVING A VELOCITY HEAD, AND CONTROL MEANS ACTUATED BY THE VELOCITY HEAD FOR CONTROLLING THE OPERATION OF SAID ADJUSTING MEANS.
References Cited (Backward Citations)
US2747152A
Cited
US3135857A
Cited
US3290032A
Cited
US3171012A
Cited
US3209121A
Cited
US3217204A
Cited
US3262006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |