Patent US2300623A successfully refreshed from Google Patents.
Patent US3249734A successfully refreshed from Google Patents.
US3249734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding torch for continuous wire feed
Assignee: Machinery and Welder Corp
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Filing: 1963-11-20
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Granted: 1966-05-03
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Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Gilbert F Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:05
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291; B23K9/295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
294 words
IN A TORCH FOR WELDING WITH A CONTINUOUS LENGTH OF WELDING WIRE HAVING AN ASSOCIATED MOTOR FOR FEEDING THE SAME AT A CONSTANT RATE TOGETHER WITH A SOURCE OF WELDING CURRENT AND SOURCE OF INERT GAS, THE COMBINATION COMPRISING A HOLLOW CYLINDRICAL HANDLE OF INSULATING MATERIAL, A CONNECTOR BLOCK OF GOOD CONDUCTING METAL TELESCOPED IN THE FRONT END OF THE HANDLE, SAID CONNECTOR BLOCK HAVING A FORWARDLY FACING CYLINDRICAL SOCKET, A HOLLOW TUBULAR GOOSENECK OF GOOD CONDUCTING METAL SEATED IN SAID SOCKET, A CONTACT TIP AT THE END OF SAID GOOSENECK, A WELDING WIRE CONDUIT, A CONNECTION ON THE REAR OF SAID BLOCK ALINGED WITH THE SOCKET FOR CONNECTING TO THE WIRE CONDUIT FOR FEEDING OF THE WELDING WIRE CENTRALLY THROUGH SAID GOOSENECK, A GAS CONDUIT, A SECOND CONNECTION ON THE REAR OF SAID BLOCK ADJACENT SAID FORST CONNECTION FOR CONNECTING TO FRICTIONAL SLEEVE ENGAGEMENT WITH THE GOOSENECK WITH EXTENSIVE METAL TO METAL CONTACT FOR EFFICIENT TRANSFER OF WELDING CURRENT AND GAS TO SAID GOOSENECK WHILE PERMITTING ROTATION OF SAID GOOSENECK ABOUT THE SLEEVE AXIS INTO ANY DESIRED ANGULAR POSITION RELATIVE TO THE SWITCH OPERATOR, CONNECTIONS BEING IN COMMUNICATION WITH ONE ANOTHER SO THAT GAS FROM THE GAS CONDUIT FLOWS THROUGH SAID GOOSENECK INTO SAID GAS CUP FOR SURROUNDING THE WELDING WIRE EXITING FROM THE CONTACT TIP, AN ELECTRICAL CONNECTION ON SAID BLOCK FOR CONNECTION TO THE SOURCE OF WELDING CURRENT, A SWITCH ON SAID HANDLE FOR CONTROLLING THE MOTOR AND HAVING A SWITCH OPERATOR EXTENDING LENGTHWISE ALONG THE HANDLE, THE SOCKET IN SAID CONNECTOR BLOCK BEING FORMED TO PROVIDE SNUG SAID SOCKET INCLUDING A METALLIC CONTACT SHOE BEARING ON THE GOOSENECK AND HAVING AN ADJUSTING SCREW FOR ADJUSTING THE DEGREE OF FRICTION TO THAT WHICH WILL MAINTAIN THE GOOSENECK IN THE DESIRED POSITION.
Claim 2
Dependent Claim
294 words
IN A TORCH FOR WELDING WITH A CONTINUOUS LENGTH OF WELDING WIRE HAVING AN ASSOCIATED MOTOR FOR FEEDING THE SAME AT A CONSTANT RATE TOGETHER WITH A SOURCE OF WELDING CURRENT AND SOURCE OF INERT GAS, THE COMBINATION COMPRISING A HOLLOW CYLINDRICAL HANDLE OF INSULATING MATERIAL, A CONNECTOR BLOCK OF GOOD CONDUCTING METAL TELESCOPED IN THE FRONT END OF THE HANDLE, SAID CONNECTOR BLOCK HAVING A FORWARDLY FACING CYLINDRICAL SOCKET, A HOLLOW TUBULAR GOOSENECK OF GOOD CONDUCTING METAL SEATED IN SAID SOCKET, A CONTACT TIP AT THE END OF SAID GOOSENECK, A WELDING WIRE CONDUIT, A CONNECTION ON THE REAR OF SAID BLOCK ALINGED WITH THE SOCKET FOR CONNECTING TO THE WIRE CONDUIT FOR FEEDING OF THE WELDING WIRE CENTRALLY THROUGH SAID GOOSENECK, A GAS CONDUIT, A SECOND CONNECTION ON THE REAR OF SAID BLOCK ADJACENT SAID FORST CONNECTION FOR CONNECTING TO FRICTIONAL SLEEVE ENGAGEMENT WITH THE GOOSENECK WITH EXTENSIVE METAL TO METAL CONTACT FOR EFFICIENT TRANSFER OF WELDING CURRENT AND GAS TO SAID GOOSENECK WHILE PERMITTING ROTATION OF SAID GOOSENECK ABOUT THE SLEEVE AXIS INTO ANY DESIRED ANGULAR POSITION RELATIVE TO THE SWITCH OPERATOR, CONNECTIONS BEING IN COMMUNICATION WITH ONE ANOTHER SO THAT GAS FROM THE GAS CONDUIT FLOWS THROUGH SAID GOOSENECK INTO SAID GAS CUP FOR SURROUNDING THE WELDING WIRE EXITING FROM THE CONTACT TIP, AN ELECTRICAL CONNECTION ON SAID BLOCK FOR CONNECTION TO THE SOURCE OF WELDING CURRENT, A SWITCH ON SAID HANDLE FOR CONTROLLING THE MOTOR AND HAVING A SWITCH OPERATOR EXTENDING LENGTHWISE ALONG THE HANDLE, THE SOCKET IN SAID CONNECTOR BLOCK BEING FORMED TO PROVIDE SNUG SAID SOCKET INCLUDING A METALLIC CONTACT SHOE BEARING ON THE GOOSENECK AND HAVING AN ADJUSTING SCREW FOR ADJUSTING THE DEGREE OF FRICTION TO THAT WHICH WILL MAINTAIN THE GOOSENECK IN THE DESIRED POSITION.
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |