Patent US3896349A successfully refreshed from Google Patents.
Patent US2788429A successfully refreshed from Google Patents.
US2788429A
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Process and gas for inert gas shielded arc welding
Assignee: Motors Liquidation Co
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Filing: 1954-03-22
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Granted: 1957-04-09
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Expires: 1974-03-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Turner
- 👤 Earl W Seufert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K35/383
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
IN AN ARC WELDING PROCESS THE STEP COMPRISING MAINTAINING AN ARC SHIELDED WITH A BLANKET OF GAS CONSISTING OF A UNIFORM MIXTURE OF ONE PART BY VOLUME NITROGEN
References Cited (Backward Citations)
US1746081A
Cited
US2053417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |