Patent US2150587A successfully refreshed from Google Patents.
US3303318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding tool and stud loader
Assignee: Gregory Industries Inc
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Filing: 1963-09-03
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Granted: 1967-02-07
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Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
- 👤 Spisak Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:21
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/20; B23K9/206
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
A HAND-OPERATED WELDING DEVICE COMPRISING A CHUCK FOR HOLDING A STUD, MEANS FOR RETRACTING SAID CHUCK, MEANS FOR MOVING SAID CHUCK RAPIDLY IN THE OPPOSITE DIRECTION TO PLUNGE A STUD CARRIED BY SAID CHUCK AGAINST A WORKPIECE, MEANS FOR SUPPLYING POWER TO SAID CHUCK, CONTROL MEANS FOR CONTROLLING SAID POWER SUPPLY MEANS, A GUIDE HEAD, A MAGAZINE MOVABLE WITH SAID GUIDE HEAD, MEANS MOVABLY CONNECTING SAID MAGAZINE AND SAID GUIDE HEAD TO SAID TOOL FOR MOVEMENT BETWEEN A FIRST POSITION IN WHICH A STUD CARRIED BY SAID GUIDE HEAD IS ALIGNED WITH SAID CHUCK AND A SECOND POSITION IN WHICH SAID MAGAZINE AND SAID GUIDE HEAD ARE OUT OF THE WAY OF SAID CHUCK, AND MEANS CARRIED BY SAID GUIDE HEAD AND MOVABLE INDEPENDENTLY THEREOF FOR MOVING A STUD CARRIED BY SAID GUIDE HEAD AXIALLY TOWARD SAID CHUCK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |