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US2785285A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite welding electrode

Assignee: National Cylinder Gas Co
•
Filing: 1953-03-18
•
Granted: 1957-03-12
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Expires: 1973-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur A Bernard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:11
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0266

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 67 words
A COMPOSITE WELDING ELECTRODE COMPRISING CIRCUMFERENTIALLY CLOSED ELONGATED METAL SHEATH HAVING AN ELONGATED CAVITY THEREIN, SAID CAVITY EXTENDING LONGITUDINALLY OF SAID SHEATH, A GRANULAR PROCESS METERIAL DISPOSED WITHIN AND FILLING SAID CAVITY, SAID PROCESS MATERIAL BEING SO CONSTITUTED THAT CERTAIN GRANULES THEREOF HAVE A MAXIMUM DIMENSION EXCEEDING THE RADIAL CROSS-SECTIONAL DIMESNION OF SAID CAVITY AT ITS WIDEST POINT, SAID CERTAIN GRANULES BEING PARTIALLY EMBEDDED IN SAID SHEATH.
Claim 2
Dependent Claim 67 words
A COMPOSITE WELDING ELECTRODE COMPRISING CIRCUMFERENTIALLY CLOSED ELONGATED METAL SHEATH HAVING AN ELONGATED CAVITY THEREIN, SAID CAVITY EXTENDING LONGITUDINALLY OF SAID SHEATH, A GRANULAR PROCESS METERIAL DISPOSED WITHIN AND FILLING SAID CAVITY, SAID PROCESS MATERIAL BEING SO CONSTITUTED THAT CERTAIN GRANULES THEREOF HAVE A MAXIMUM DIMENSION EXCEEDING THE RADIAL CROSS-SECTIONAL DIMESNION OF SAID CAVITY AT ITS WIDEST POINT, SAID CERTAIN GRANULES BEING PARTIALLY EMBEDDED IN SAID SHEATH.

References Cited (Backward Citations)

US1387157A Cited
US1501266A Cited
US1640859A Cited
US1629748A Cited
US1942364A Cited
US2694763A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-03-11 1960-09-10 1961-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-03-11 1964-09-10 1965-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-03-11 1968-09-10 1969-03-12 $7700.00 Window Closed / Lapsed

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