US3833362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroconductive solder
Assignee: PPG Industries Inc
•
Filing: 1973-02-20
•
Granted: 1974-09-03
•
Expires: 1993-02-20
Abstract
Abstract A tin-free alloy for use in making an electrical solder connection between a tinned copper wire and a ceramic silver conductive stripe on a glass substrate. The solder connection is useful in electroconductive windows, particularly laminated windows fabricated at a temperature range up to about 300*F.
Inventors
- 👤 D Postupack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:15
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3668; C03C17/3673
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A tin-free alloy as in claim 1, wherein said ingredients consist essentially of: approximately 52.8% by weight of indium, approximately 43.9% by weight of lead, and approximately 3.3% by weight of silver.
References Cited (Backward Citations)
US2623273A
Cited
US2636820A
Cited
US2950189A
Cited
US3184303A
Cited
US3226226A
Cited
US3765880A
Cited
US3627517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |