Patent US3345495A successfully refreshed from Google Patents.
US3345495A
Expired / Lapsed
US
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Tubular cutting electrode
Assignee: Eutectic Corp
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Filing: 1963-07-25
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Granted: 1967-10-03
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Quaas
- 👤 Charles E Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:22
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0211; B23K35/0216; B23K35/22; B23K35/36; B23K35/3601; B23K35/3602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A TUBULAR METALLIC ARE ELECTRODE COMPRISING A MILD STEEL TUBE HAVING AN OUTSIDE DIAMETER RANGING APPROXIMATELY FROM 3/32 TO 5/16 INCH AND A WALL THICKNESS RANGING APPROXIMATELY FROM 0.010 TO 0.030 INCH, A CORE CONSISTING ESSENTIALLY OF THE FOLLOWING CONSTITUENTS IN THE INDICATED PERCENTAGES BY WEIGHT OF THE CORE:
Claim 2
Dependent Claim
49 words
A TUBULAR METALLIC ARE ELECTRODE COMPRISING A MILD STEEL TUBE HAVING AN OUTSIDE DIAMETER RANGING APPROXIMATELY FROM 3/32 TO 5/16 INCH AND A WALL THICKNESS RANGING APPROXIMATELY FROM 0.010 TO 0.030 INCH, A CORE CONSISTING ESSENTIALLY OF THE FOLLOWING CONSTITUENTS IN THE INDICATED PERCENTAGES BY WEIGHT OF THE CORE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |