Patent US5263980A successfully refreshed from Google Patents.
Patent US3171771A successfully refreshed from Google Patents.
US3171771A
Expired / Lapsed
US
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Glass to metal seal
Assignee: Libbey Owens Ford Glass Co
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Filing: 1959-01-12
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Granted: 1965-03-02
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Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Badger
- 👤 Warren R Kowalka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:14
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; H01J2893/0043; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A GLASS-METAL ARTICLE, COMPRISING A MAJOR GLASS PORTION AND A MAJOR METAL PORTION SPACED FROM ONE ANOTHER AND HAVING DIFFERENT COEFFICIENT OF EXPANSION, A THIN METAL STRIP OF A THICKNESS IN THE RANGE OF 1 TO 5 MILS EXTENDING BETWEEN SAID GLASS AND SAID METAL PORTIONS, A FIRST LAYER OF LOW-MELTING SEALING SAID GLASS PORTION TO SAID METAL STRIP, AND A SECOND LAYER OF A LOW-MELTING GLASS SPACED FROM SAID FIRST LAYER AND SEALING SAID METAL PORTION TO SAID STRIP.
Claim 2
Dependent Claim
80 words
A GLASS-METAL ARTICLE, COMPRISING A MAJOR GLASS PORTION AND A MAJOR METAL PORTION SPACED FROM ONE ANOTHER AND HAVING DIFFERENT COEFFICIENT OF EXPANSION, A THIN METAL STRIP OF A THICKNESS IN THE RANGE OF 1 TO 5 MILS EXTENDING BETWEEN SAID GLASS AND SAID METAL PORTIONS, A FIRST LAYER OF LOW-MELTING SEALING SAID GLASS PORTION TO SAID METAL STRIP, AND A SECOND LAYER OF A LOW-MELTING GLASS SPACED FROM SAID FIRST LAYER AND SEALING SAID METAL PORTION TO SAID STRIP.
References Cited (Backward Citations)
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |