US3454408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solder glass compositions and method of sealing metal therewith
Assignee: OI Glass Inc
•
Filing: 1964-05-28
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Granted: 1969-07-08
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert A Busdiecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:07
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/24; C03C27/00; C03C3/00; C03C3/12; C03C3/122; C03C3/23
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
16 words
A HIGH EXPANSION, LOW TEMPERATURE SOLDER GLASS COMPOSITION CONSISTING ESSENTIALLY OF: PERCENT V2O5 35-55 PBO 30-50
Claim 2
Dependent Claim
16 words
A HIGH EXPANSION, LOW TEMPERATURE SOLDER GLASS COMPOSITION CONSISTING ESSENTIALLY OF: PERCENT V2O5 35-55 PBO 30-50
Claim 3
Independent Claim
74 words
A METHOD OF SEALING METAL SURFACES WHICH COMPRISES APPLYING TO THE METAL SURFACE A SOLDER GLASS COMPOSITION POSSESSING A DESIRABLE GLASSY RANGE AND BEING CAPABLE OF USE AT RELATIVELY LOW SEALING TEMPERATURES AND POSSESSING A RELATIVELY HIGH COEFFICIENT OF THERMAL EXPANSION WHICH APPROXIMATES THE COEFFICIENT OF THERMAL EXPANSION OF THE METAL AND FORMING A SEAL BETWEEN THE GLASS AND THE METAL AT ELEVATED TEMPERATURE AND THEREAFTER COOLING, SAID SOLDER GLASS COMPOSITION CONSISTING ESSENTIALLY OF
Claim 4
Independent Claim
74 words
A METHOD OF SEALING METAL SURFACES WHICH COMPRISES APPLYING TO THE METAL SURFACE A SOLDER GLASS COMPOSITION POSSESSING A DESIRABLE GLASSY RANGE AND BEING CAPABLE OF USE AT RELATIVELY LOW SEALING TEMPERATURES AND POSSESSING A RELATIVELY HIGH COEFFICIENT OF THERMAL EXPANSION WHICH APPROXIMATES THE COEFFICIENT OF THERMAL EXPANSION OF THE METAL AND FORMING A SEAL BETWEEN THE GLASS AND THE METAL AT ELEVATED TEMPERATURE AND THEREAFTER COOLING, SAID SOLDER GLASS COMPOSITION CONSISTING ESSENTIALLY OF
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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |