US3697333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding paste for resistance welding copper parts
Assignee: Individual
•
Filing: 1970-10-21
•
Granted: 1972-10-10
•
Expires: 1990-10-21
Abstract
Abstract A WELDING PASTE FOR JOING COPPER PARTS BY RESISTANCE WELDING BY COATING SUCH PARTS TO BE JOINED AT THE POINTS PRIOR TO WELDING WITH THE PASTE CONTAINING A MIXTURE OF POWDERED SILVER OR POWDERED SILVER AND A SOLDERING FLUX.
Inventors
- 👤 Albert Hoeffleur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:02
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3006; B23K35/36; B23K35/3612; B23K35/3613
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |