Patent US3244854A successfully refreshed from Google Patents.
US3244854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stored energy stud welder
Assignee: Uniweld Products Inc
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Filing: 1962-08-24
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Granted: 1966-04-05
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Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
- 👤 James A Bucci
- 👤 Ronald F Brennen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:51
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ELECTRIC WELDER FOR WELDING TWO CONDUCTIVE ELEMENTS TO EACH OTHER COMPRISING, IN COMBINATION, A SOURCE OF DIRECT CURRENT POWER, A MANUALLY OPERATED SWITCH, A STORAGE CAPACITOR, SAID STORAGE CAPACITOR BEING CONNECTED TO SAID SOURCE IN SERIES WITH SAID MANUALLY OPERATED SWITCH, SAID STORAGE CAPACITOR RECEIVING AN ELECTRIC CHARGE DURING A CHARGING INTERVAL, SAID STORAGE CAPACITOR ALSO BEING CONNECTED TO SAID TWO CONDUCTIVE ELEMENTS TO BE WELDED TO EACH OTHER DURING A DISCHARGE INTERVAL, VOLTAGE SENSING MEANS FOR DETERMINING WHEN SAID STORAGE CAPACI-
Claim 2
Dependent Claim
83 words
AN ELECTRIC WELDER FOR WELDING TWO CONDUCTIVE ELEMENTS TO EACH OTHER COMPRISING, IN COMBINATION, A SOURCE OF DIRECT CURRENT POWER, A MANUALLY OPERATED SWITCH, A STORAGE CAPACITOR, SAID STORAGE CAPACITOR BEING CONNECTED TO SAID SOURCE IN SERIES WITH SAID MANUALLY OPERATED SWITCH, SAID STORAGE CAPACITOR RECEIVING AN ELECTRIC CHARGE DURING A CHARGING INTERVAL, SAID STORAGE CAPACITOR ALSO BEING CONNECTED TO SAID TWO CONDUCTIVE ELEMENTS TO BE WELDED TO EACH OTHER DURING A DISCHARGE INTERVAL, VOLTAGE SENSING MEANS FOR DETERMINING WHEN SAID STORAGE CAPACI-
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |