US3183336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inert gas welding torch with a delay device for the gas valve
Assignee: Knapsack AG
•
Filing: 1962-06-08
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Granted: 1965-05-11
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Sopicki Walter
- 👤 Hannappel Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:12
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN INERT GAS WELDING TORCH HAVING A TORCH BODY, AN ELECTRODE IN SAID BODY, A HANDGRIP PORTION CONNECTED TO SAID BODY, AN INERT GAS CONDUIT IN SAID HANDGRIP PORTION AND SAID BODY, AND MEANS FOR REGULATING A TEMPORARY AFTERFLOW OF INERT GAS FOLLOWING A WELDING OPERATION, CHARACTERIZED IN THAT SAID REGULATING MEANS IS IN SAID HANDGRIP PORTION, SAID REGULATING MEANS INCLUDING A SUPPLY VALVE COMMUNICATING WITH SAID INERT GAS CONDUIT, AND DELAYING MEANS FOR CLOSING SAID SUPPLY VALVE AFTER A PREDETERMINED PERIOD OF DELAY.
Claim 2
Dependent Claim
84 words
AN INERT GAS WELDING TORCH HAVING A TORCH BODY, AN ELECTRODE IN SAID BODY, A HANDGRIP PORTION CONNECTED TO SAID BODY, AN INERT GAS CONDUIT IN SAID HANDGRIP PORTION AND SAID BODY, AND MEANS FOR REGULATING A TEMPORARY AFTERFLOW OF INERT GAS FOLLOWING A WELDING OPERATION, CHARACTERIZED IN THAT SAID REGULATING MEANS IS IN SAID HANDGRIP PORTION, SAID REGULATING MEANS INCLUDING A SUPPLY VALVE COMMUNICATING WITH SAID INERT GAS CONDUIT, AND DELAYING MEANS FOR CLOSING SAID SUPPLY VALVE AFTER A PREDETERMINED PERIOD OF DELAY.
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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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |