US3305663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work supporting means in welding apparatus
Assignee: L AND B WELDING EQUIPMENT Inc
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Filing: 1964-01-30
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Granted: 1967-02-21
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Harvey W Janssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:44
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/32; B23K9/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
APPARATUS FOR PERFORMING A REFACING OR WELDING OPERATION ON WORK COMPRISING A WELDING HEAD, A WORK HOLDER ASSEMBLY FOR SUPPORTING WORK BENEATH SAID WELDING HEAD IN POSITION TO BE OPERATED ON, SAID WORK HOLDER ASSEMBLY COMPRISING, A SPINDLE FOR SUPPORTING WORK, MEANS FOR MOUNTING SAID SPINDLE FOR SWINGING MOVEMENT BETWEEN A WORK POSITION AND A LOADING AND UNLOADING POSITION, A CONE POSITIONED ON SAID SPINDLE, A SECOND CONE, MEANS FOR MOUNTING SAID SECOND CONE ON A COMMON AXIS WITH AND FACING SAID FIRST CONE WHEN SAID SPINDLE IS IN ITS WORK POSITION, AND ADAPTED TO MOVE SAID SECOND CONE TOWARD SAID FIRST CONE TO CLAMP WORK TO BE OPERATED ON, AND MEANS FOR REMOVABLY SUPPORTING WORK BY SAID SPINDLE AND OUT OF RANGE OF SAID WELDING HEAD IN RESPONSE TO WITHDRAWAL OF SAID SECOND CONE.
Claim 2
Dependent Claim
135 words
APPARATUS FOR PERFORMING A REFACING OR WELDING OPERATION ON WORK COMPRISING A WELDING HEAD, A WORK HOLDER ASSEMBLY FOR SUPPORTING WORK BENEATH SAID WELDING HEAD IN POSITION TO BE OPERATED ON, SAID WORK HOLDER ASSEMBLY COMPRISING, A SPINDLE FOR SUPPORTING WORK, MEANS FOR MOUNTING SAID SPINDLE FOR SWINGING MOVEMENT BETWEEN A WORK POSITION AND A LOADING AND UNLOADING POSITION, A CONE POSITIONED ON SAID SPINDLE, A SECOND CONE, MEANS FOR MOUNTING SAID SECOND CONE ON A COMMON AXIS WITH AND FACING SAID FIRST CONE WHEN SAID SPINDLE IS IN ITS WORK POSITION, AND ADAPTED TO MOVE SAID SECOND CONE TOWARD SAID FIRST CONE TO CLAMP WORK TO BE OPERATED ON, AND MEANS FOR REMOVABLY SUPPORTING WORK BY SAID SPINDLE AND OUT OF RANGE OF SAID WELDING HEAD IN RESPONSE TO WITHDRAWAL OF SAID SECOND CONE.
References Cited (Backward Citations)
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Cited
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Cited
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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 |