US2870047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding rods and method of making same
Assignee: Airco Inc
•
Filing: 1954-05-05
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Granted: 1959-01-20
•
Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Leland M Kee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:39
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2953; Y10T428/2955; Y10T428/31504; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF PREPARING A COATED WELDING ROD HAVING A MINIMUM OF CRACKS AND OTHER DEFECTS WHICH COMPRISES INCORPORATING A POLYMERIC WATER-SOLUBLE POLYELECTROLYTE HAVING A MOLECULAR WEIGHT OF AT LEAST 10,000 AND CONTAINING A SUBSTANTIALLY LINEAR CONTINUOUS CARBON CHAIN DERIVED BY THE POLYMERIZATION OF AN ALIPHATIC UNSATURATED GROUP INTO A WELDING ROD COATING COMPOSITION CONTAINING WATER THEREBY INCREASING THE MOBILITY OF SAID COMPOSITION FOR EXTRUSION AND REDUCING SHRINKAGE THEREOF ON DRYING, EXTRUDING SAID WELDING ROD COATING COMPOSITION OVER A
Claim 2
Independent Claim
79 words
A METHOD OF PREPARING A COATED WELDING ROD HAVING A MINIMUM OF CRACKS AND OTHER DEFECTS WHICH COMPRISES INCORPORATING A POLYMERIC WATER-SOLUBLE POLYELECTROLYTE HAVING A MOLECULAR WEIGHT OF AT LEAST 10,000 AND CONTAINING A SUBSTANTIALLY LINEAR CONTINUOUS CARBON CHAIN DERIVED BY THE POLYMERIZATION OF AN ALIPHATIC UNSATURATED GROUP INTO A WELDING ROD COATING COMPOSITION CONTAINING WATER THEREBY INCREASING THE MOBILITY OF SAID COMPOSITION FOR EXTRUSION AND REDUCING SHRINKAGE THEREOF ON DRYING, EXTRUDING SAID WELDING ROD COATING COMPOSITION OVER A
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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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |