US3303323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding electrodes
Assignee: Hobart Brothers LLC
•
Filing: 1965-08-26
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Granted: 1967-02-07
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Expires: 1985-08-26
Abstract
No abstract record available.
Inventors
- 👤 Gerard E Claussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:27
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/306; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0266; B23K35/308
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A BARE CORED ELECTRODE FOR WELDING A 2.25% CHROMIUM-1% MOLYBDENUM ALLOY STEEL; THE ELECTRODE COMPRISING A SHEATH FORMED FROM A STRIP OF LOW CARBON STEEL FOLDED SUBSTANTIALLY IN THE SHAPE OF A TUBE AND COMPRISING APPROXIMATELY 81% OF THE TOTAL WEIGHT OF THE ELECTRODE; AND A CORE CONTAINED WITHIN SAID SHEATH, SAID CORE CONTAINING ALLOYING AND DEOXIDIZING AGENTS IN THE AMOUNTS CORRESPONSING TO THE FOLLOWING PERCENTAGES BY WEIGHT OF THE CORE:
Claim 2
Dependent Claim
71 words
A BARE CORED ELECTRODE FOR WELDING A 2.25% CHROMIUM-1% MOLYBDENUM ALLOY STEEL; THE ELECTRODE COMPRISING A SHEATH FORMED FROM A STRIP OF LOW CARBON STEEL FOLDED SUBSTANTIALLY IN THE SHAPE OF A TUBE AND COMPRISING APPROXIMATELY 81% OF THE TOTAL WEIGHT OF THE ELECTRODE; AND A CORE CONTAINED WITHIN SAID SHEATH, SAID CORE CONTAINING ALLOYING AND DEOXIDIZING AGENTS IN THE AMOUNTS CORRESPONSING TO THE FOLLOWING PERCENTAGES BY WEIGHT OF THE CORE:
References Cited (Backward Citations)
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Cited
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US3221136A
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |