Patent US2785285A successfully refreshed from Google Patents.
US2785285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite welding electrode
Assignee: National Cylinder Gas Co
•
Filing: 1953-03-18
•
Granted: 1957-03-12
•
Expires: 1973-03-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
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 |