US2970204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric welding method and composition
Assignee: PICEU
•
Filing: 1958-02-27
•
Granted: 1961-01-31
•
Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 John G Piceu
- 👤 Melvin M Gerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:58
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF PROTECTING AND WELDING FERROUS METAL STRUCTURES WHICH COMPRISES COATING TO A THICKNESS SUFFICENT TO PROTECT SAID SURFACE AGAINST SUBSTANTIAL CORROSION AT LEAST ONE SURFACE THEREOF WITH AN ELECTRICALLY CONDUCTIVE COATING COMPOSITION COMPRISING A THIXOTROPIC VEHICLE AND ZINC DDUST, SAID VEHICLE CONTAINING A THIXOTROPIC CONDENSATION PRODUCT OF A POLYMERIZABLE ESTER AND POLYAMIDE OBTAINED FROM A POLUMERIZED FATTY ACID AND AN ALKYLENE POLYAMINE, SAID ZINC DIST BEING IN AN AMOUNT SIFFICENT TO RENDER THE RESULTING COATING CONDUCTIVE AND COMPRISING ABOUT 65 TO 85 PERCENT BY WEIGHT OF SAID COATING COMPOSITION AND ELECTRICALLY WELDING SAID STRUCTURES TOGETHER AT AT LEAST A PORTION OF SAID COATED SURFACE.
Claim 2
Independent Claim
106 words
THE METHOD OF PROTECTING AND WELDING FERROUS METAL STRUCTURES WHICH COMPRISES COATING TO A THICKNESS SUFFICENT TO PROTECT SAID SURFACE AGAINST SUBSTANTIAL CORROSION AT LEAST ONE SURFACE THEREOF WITH AN ELECTRICALLY CONDUCTIVE COATING COMPOSITION COMPRISING A THIXOTROPIC VEHICLE AND ZINC DDUST, SAID VEHICLE CONTAINING A THIXOTROPIC CONDENSATION PRODUCT OF A POLYMERIZABLE ESTER AND POLYAMIDE OBTAINED FROM A POLUMERIZED FATTY ACID AND AN ALKYLENE POLYAMINE, SAID ZINC DIST BEING IN AN AMOUNT SIFFICENT TO RENDER THE RESULTING COATING CONDUCTIVE AND COMPRISING ABOUT 65 TO 85 PERCENT BY WEIGHT OF SAID COATING COMPOSITION AND ELECTRICALLY WELDING SAID STRUCTURES TOGETHER AT AT LEAST A PORTION OF SAID COATED SURFACE.
References Cited (Backward Citations)
US2632237A
Cited
FR825910A
Cited
US2255826A
Cited
US2379413A
Cited
GB570033A
Cited
US2452805A
Cited
US2423290A
Cited
US2517754A
Cited
US2728737A
Cited
US2695908A
Cited
US2663649A
Cited
US2707708A
Cited
US2823189A
Cited
US2721186A
Cited
US2852396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |