US2615816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass solder
Assignee: General Electric Co
•
Filing: 1949-11-10
•
Granted: 1952-10-28
•
Expires: 1969-11-10
Abstract
No abstract record available.
Inventors
- 👤 Dovey Anne Patricia
- 👤 Manners Maurice
- 👤 Partridge John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:26
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/24; C03C8/245; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C3/074; C03C3/0745; C03C3/12; C03C3/14; C03C3/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A GLASS COMPOSITION FOR USE AS A GLASS SOLDER CONTAINING ESSENTIALLY LEAD OXIDE (PBO), CADMIUM OXIDE (CDO) AND BORON OXIDE (B2O3) WITH 0 TO 8% ZINC OXIDE (ZNO) SUBSTITUTED FOR PART OF THE LEAD OXIDE AND 0 TO 2% OF SILICA (SIO2) BY WEIGHT OF THE COMPOSITION, THE TOTAL CONTENT OF LEAD OXIDE AND CADMIUM OXIDE BEING 65% TO 90% BY WEIGHT OF THE COMPOSITION, AND THE CADMIUM OXIDE CONTENT BEING 10% TO 35% BY WEIGHT, SAID GLASS HAVING A COEFFICIENT OF THERMAL EXPANSION OF 8 TO 10X10-6.
Claim 2
Dependent Claim
88 words
A GLASS COMPOSITION FOR USE AS A GLASS SOLDER CONTAINING ESSENTIALLY LEAD OXIDE (PBO), CADMIUM OXIDE (CDO) AND BORON OXIDE (B2O3) WITH 0 TO 8% ZINC OXIDE (ZNO) SUBSTITUTED FOR PART OF THE LEAD OXIDE AND 0 TO 2% OF SILICA (SIO2) BY WEIGHT OF THE COMPOSITION, THE TOTAL CONTENT OF LEAD OXIDE AND CADMIUM OXIDE BEING 65% TO 90% BY WEIGHT OF THE COMPOSITION, AND THE CADMIUM OXIDE CONTENT BEING 10% TO 35% BY WEIGHT, SAID GLASS HAVING A COEFFICIENT OF THERMAL EXPANSION OF 8 TO 10X10-6.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |