Patent US3788616A successfully refreshed from Google Patents.
Patent US3128369A successfully refreshed from Google Patents.
US3128369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc welding apparatus
Assignee: Union Carbide Corp
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Filing: 1961-11-29
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Granted: 1964-04-07
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frank J Pilia
- 👤 Jr Gerald J Duddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:54
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A MECHANIZED INERT GAS SHIELDED CONSUMABLE ELECTRODE SPOT WELDING TORCH FOR WORK-IN-CIRCUIT ELECTRIC ARC WELDING, WHICH COMPRISES, IN COMBINATION, A SLIDE ASSEMBLY HAVING A MOUNTING BRACKET WITH A SLIDE THEREON, A WIRE FEED ROLL CASING MOUNTED ON SAID SLIDE AND HAVING A SOCKET, A TORCH HOUSING MOUNTED ON SAID SLIDE AND HAVING A BORE ALIGNED WITH SAID SOCKET, A TORCH CARTRIDGE INSERTED THROUGH
Claim 2
Dependent Claim
63 words
A MECHANIZED INERT GAS SHIELDED CONSUMABLE ELECTRODE SPOT WELDING TORCH FOR WORK-IN-CIRCUIT ELECTRIC ARC WELDING, WHICH COMPRISES, IN COMBINATION, A SLIDE ASSEMBLY HAVING A MOUNTING BRACKET WITH A SLIDE THEREON, A WIRE FEED ROLL CASING MOUNTED ON SAID SLIDE AND HAVING A SOCKET, A TORCH HOUSING MOUNTED ON SAID SLIDE AND HAVING A BORE ALIGNED WITH SAID SOCKET, A TORCH CARTRIDGE INSERTED THROUGH
References Cited (Backward Citations)
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |