Patent US3206355A successfully refreshed from Google Patents.
US3206355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mica glass metal bonded assembly and method of making the same
Assignee: OI Glass Inc
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Filing: 1960-03-11
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Granted: 1965-09-14
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Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence V Pfaender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:56
CPC Classifications
C; C03; C03C; C03C10/00; C03C10/0054; C03C27/00; C03C27/04; C03C27/042; C03C27/044; C03C8/00; C03C8/24; C03C8/245; Y; Y10; Y10S; Y10S228/00; Y10S228/903
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
65 words
AN INTEGRALLY BONDED ASSEMBLY CONSISTING OF (1) A CRYSTALLINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF MICA AND GLASS BONDED MICA; (2) A METAL ALLOY SELECTED FROM THE GROUP CONSISTING OF (A) 446 STAINLESS STEEL, (B) 430 STAINLESS STEEL, AND (C) AN ALLOY OF PLATINUM AND PALLADIUM OF 1:1 RATIO EACH HAVING A THERMAL EXPANSION COMPARABLE TO THE CRYSTALLINE MATERIAL; AND (3) A DEVITRIFIED GLASS.
Claim 2
Dependent Claim
65 words
AN INTEGRALLY BONDED ASSEMBLY CONSISTING OF (1) A CRYSTALLINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF MICA AND GLASS BONDED MICA; (2) A METAL ALLOY SELECTED FROM THE GROUP CONSISTING OF (A) 446 STAINLESS STEEL, (B) 430 STAINLESS STEEL, AND (C) AN ALLOY OF PLATINUM AND PALLADIUM OF 1:1 RATIO EACH HAVING A THERMAL EXPANSION COMPARABLE TO THE CRYSTALLINE MATERIAL; AND (3) A DEVITRIFIED GLASS.
Claim 3
Independent Claim
102 words
A METHOD OF MAKING A BOND BETWEEN (1) A CRYSTALLINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF MICA AND GLASS BONDED MICA CONTAINING A PREPONDERANCE OF MICA AND (2) A METALLIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF METALS AND ALLOYS HAVING A THERMAL EXPANSION COMPARABLE TO THE CRYSTALLINE MATERIAL COMPRISING BRINGING THE CRYSTALLINE AND METALLIC MATERIAL IN SEALING RELATION CONTACTING THE CRYSTALLINE AND METALLIC MATERIALS WITH POWDERED DEVITRIFIABLE GLASS, FUSING THE GLASS, AND THEREAFTER SLOWLY COOLING THE GLASS TO EFFECT A DEVITRIFICATION OF THE GLASS AND A BONDING TOGETHER OF THE CRYSTALLINE AND METALLIC MATERIALS BY MEANS OF THE DEVITRIFIED GLASS.
Claim 4
Independent Claim
102 words
A METHOD OF MAKING A BOND BETWEEN (1) A CRYSTALLINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF MICA AND GLASS BONDED MICA CONTAINING A PREPONDERANCE OF MICA AND (2) A METALLIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF METALS AND ALLOYS HAVING A THERMAL EXPANSION COMPARABLE TO THE CRYSTALLINE MATERIAL COMPRISING BRINGING THE CRYSTALLINE AND METALLIC MATERIAL IN SEALING RELATION CONTACTING THE CRYSTALLINE AND METALLIC MATERIALS WITH POWDERED DEVITRIFIABLE GLASS, FUSING THE GLASS, AND THEREAFTER SLOWLY COOLING THE GLASS TO EFFECT A DEVITRIFICATION OF THE GLASS AND A BONDING TOGETHER OF THE CRYSTALLINE AND METALLIC MATERIALS BY MEANS OF THE DEVITRIFIED GLASS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |