Patent US3294948A successfully refreshed from Google Patents.
US3294948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic resistance welding machine
Assignee: AT&T Inc
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Filing: 1964-06-02
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Granted: 1966-12-27
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Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Charles R Fegley
- 👤 Donald E Horning
- 👤 John H Mattes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:06
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A WELDING MACHINE, MEANS FOR SUPPORTING A PAIR OF WELDABLE ARTICLES IN ABUTTING RELATION, A FIRST WELDING ELECTRODE MOUNTED FOR MOVEMENT INTO ENGAGEMENT WITH A FIRST OF SAID ARTICLES, A SECOND WELDING ELECTRODE MOUNTED FOR MOVEMENT INTO ENGAGEMENT WITH SAID SUPPORTING MEANS, MEANS FOR MOVING SAID FIRST AND SECOND WELDING ELECTRODES INTO ENGAGEMENT WITH SAID FIRST ARTICLE AND SAID SUPPORTING MEANS, MEANS FOR APPLYING A STRIKING FORCE TO ONE OF SAID ELECTRODES TO FORCIBLY IMPACT SAID ARTICLES INTO FURTHER ENGAGEMENT, AND MEANS RENDERED EFFECTIVE UPON APPLICATION OF SAID STRIKING FORCE FOR APPLYING WELDING CURRENT THROUGH SAID ELECTRODES AND SAID ARTICLES.
Claim 2
Dependent Claim
101 words
IN A WELDING MACHINE, MEANS FOR SUPPORTING A PAIR OF WELDABLE ARTICLES IN ABUTTING RELATION, A FIRST WELDING ELECTRODE MOUNTED FOR MOVEMENT INTO ENGAGEMENT WITH A FIRST OF SAID ARTICLES, A SECOND WELDING ELECTRODE MOUNTED FOR MOVEMENT INTO ENGAGEMENT WITH SAID SUPPORTING MEANS, MEANS FOR MOVING SAID FIRST AND SECOND WELDING ELECTRODES INTO ENGAGEMENT WITH SAID FIRST ARTICLE AND SAID SUPPORTING MEANS, MEANS FOR APPLYING A STRIKING FORCE TO ONE OF SAID ELECTRODES TO FORCIBLY IMPACT SAID ARTICLES INTO FURTHER ENGAGEMENT, AND MEANS RENDERED EFFECTIVE UPON APPLICATION OF SAID STRIKING FORCE FOR APPLYING WELDING CURRENT THROUGH SAID ELECTRODES AND SAID ARTICLES.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |