US3391055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive solder glass
Assignee: OI Glass Inc
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Filing: 1965-04-27
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Granted: 1968-07-02
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Veres Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:48
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/14; H01B1/16; C; C03; C03C; C03C10/00; C03C10/0054; C03C17/00; C03C17/06; C03C27/00; C03C27/04; C03C27/042; C03C27/044; C03C8/00; C03C8/24; C03C8/245; C03C2217/00; C03C2217/20; C03C2217/25; C03C2217/251; C03C2218/00; C03C2218/10; C03C2218/17; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A UNITARY ARTICLE COMPRISING TWO RIDGID GLASS ELEMENTS EACH HAVING A COEFFICIENT OF THERMAL EXPANSION IN THE RANGE OF 0*C. TO 300*C. OF ABOUT 80X10**-7 TO 100X10**-7 CM. PER CM. PER *C. AND HAVING ANNULAR EDGES OF ESSENTIALLY MATCHING CONFIGURATION, AND AN ANNULAR ELECTROCONDUCTIVE LAYER OF LOW-MELTING, LOW-EXPANSION SEALING COMPOSITION BETWEEN AND ADHERENTLY BONDED TO SAID GLASS ELEMENTS AT SAID ANNULAR EDGES TO FORM A HERMETIC SEAL, SAID LAYER CONSISTING ESSENTIALLY BY WEIGHT OF FROM 2% TO 10% PRECIOUS METAL AS PARTICLES HAVING SIZES SUBSTANTIALLY LESS THAN 140 U.S. STANDARD MESH AND A LOW-MELTING LEAD BORATE COMPOSITION, SAID LEAD BORATE HAVING A COEFFICIENT OF THERMAL DILATION ABOUT THAT OF THE GLASS OF SAID ELEMENTS.
Claim 2
Dependent Claim
114 words
A UNITARY ARTICLE COMPRISING TWO RIDGID GLASS ELEMENTS EACH HAVING A COEFFICIENT OF THERMAL EXPANSION IN THE RANGE OF 0*C. TO 300*C. OF ABOUT 80X10**-7 TO 100X10**-7 CM. PER CM. PER *C. AND HAVING ANNULAR EDGES OF ESSENTIALLY MATCHING CONFIGURATION, AND AN ANNULAR ELECTROCONDUCTIVE LAYER OF LOW-MELTING, LOW-EXPANSION SEALING COMPOSITION BETWEEN AND ADHERENTLY BONDED TO SAID GLASS ELEMENTS AT SAID ANNULAR EDGES TO FORM A HERMETIC SEAL, SAID LAYER CONSISTING ESSENTIALLY BY WEIGHT OF FROM 2% TO 10% PRECIOUS METAL AS PARTICLES HAVING SIZES SUBSTANTIALLY LESS THAN 140 U.S. STANDARD MESH AND A LOW-MELTING LEAD BORATE COMPOSITION, SAID LEAD BORATE HAVING A COEFFICIENT OF THERMAL DILATION ABOUT THAT OF THE GLASS OF SAID ELEMENTS.
References Cited (Backward Citations)
US2918757A
Cited
US3029559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |