Patent US2852659A successfully refreshed from Google Patents.
US2852659A
Expired / Lapsed
US
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Method of welding, apparatus, and electrode
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1954-06-30
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Granted: 1958-09-16
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Expires: 1974-06-30
Abstract
No abstract record available.
Inventors
- 👤 Lloyd H Belz
- 👤 Lloyd A Cook
- 👤 La Verne W Eastwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:48
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/164; B23K35/00; B23K35/22; B23K35/38; B23K35/383
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
IN THE METHOD OF INERT GAS SHIELDED ARC WELDING OF ALUMINUM AND ALUMIMUM ALLOYS WHEREIN IN ARC IS ESTABLISHED BETWEEN AN ELECTRODE AND A METAL WORK PIECE AND AN INERT GASEOUS MEDIUM IS SIMULTANEOUSLY FED TO SHIELD THE ZONE, THE IMPROVEMENT COMPRISING PROVIDING IN SAID GAS SHIELD A SMALL BUT EFFECTIVE AMOUNT OF
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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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |