Patent US3305664A successfully refreshed from Google Patents.
US3305664A
Expired / Lapsed
US
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Welding apparatus
Assignee: Individual
•
Filing: 1965-03-18
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Granted: 1967-02-21
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Milo M Kensrue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:10
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1333; B23K9/10; B23K9/1087; B23K9/24; B23K9/28; B23K9/29; B23K9/291; B23K9/295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ARC WELDING TORCH, COMPRISING: (A) AN ELONGATE TUBULAR HOUSING INCLUDING A SUBSTANTIALLY STRAIGHT HAND-GRIP BODY PORTION AND A CURVED EXTENSION NECK PORTION AT ONE END OF THE BODY; (B) A DIRECTING NOZZLE FOR AN INERT GAS AT THE OUTER END OF SAID NECK POSITION WITH ITS LONGITUDINAL AXIS AT AN ANGLE TO THE LONGITUDINAL AXIS OF THE BODY PORTION; (C) MEANS IN SAID HOUSING FOR GUIDING AN ELECTRODE WIRE TO SAID NOZZLE; (D) MEANS IN SAID HOUSING FOR MOVING SAID WIRE IN A FEEDING DIRECTION INCLUDING A FLUID DRIVEN MOTOR CONTAINED IN THE HAND-GRIP BODY PORTION; AND (E) A MANUALLY OPERABLE CONTROL CARRIED BY THE HANDGRIP BODY PORTION INCLUDING MEANS FOR CONTINUOUSLY VARIABLY CONTROLLING THE AMOUNT OF FLUID DELIVERED TO SAID MOTOR TO VARY THE FEEDING SPEED OF SAID WIRE DURING THE WELDING OPERATION.
Claim 2
Dependent Claim
135 words
AN ARC WELDING TORCH, COMPRISING: (A) AN ELONGATE TUBULAR HOUSING INCLUDING A SUBSTANTIALLY STRAIGHT HAND-GRIP BODY PORTION AND A CURVED EXTENSION NECK PORTION AT ONE END OF THE BODY; (B) A DIRECTING NOZZLE FOR AN INERT GAS AT THE OUTER END OF SAID NECK POSITION WITH ITS LONGITUDINAL AXIS AT AN ANGLE TO THE LONGITUDINAL AXIS OF THE BODY PORTION; (C) MEANS IN SAID HOUSING FOR GUIDING AN ELECTRODE WIRE TO SAID NOZZLE; (D) MEANS IN SAID HOUSING FOR MOVING SAID WIRE IN A FEEDING DIRECTION INCLUDING A FLUID DRIVEN MOTOR CONTAINED IN THE HAND-GRIP BODY PORTION; AND (E) A MANUALLY OPERABLE CONTROL CARRIED BY THE HANDGRIP BODY PORTION INCLUDING MEANS FOR CONTINUOUSLY VARIABLY CONTROLLING THE AMOUNT OF FLUID DELIVERED TO SAID MOTOR TO VARY THE FEEDING SPEED OF SAID WIRE DURING THE WELDING OPERATION.
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |