Patent US3426170A successfully refreshed from Google Patents.
US3426170A
Expired / Lapsed
US
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Hermetic sealing process
Assignee: GTE Sylvania Inc
•
Filing: 1963-09-23
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Granted: 1969-02-04
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Robert C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:19
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; B23K1/001; H; H01; H01M; H01M50/00; H01M50/60; H01M50/609; H01M50/627; H01M50/636; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1504088A
Cited
US1721348A
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US2033122A
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US2141932A
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US2235385A
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US2598027A
Cited
US2769227A
Cited
US2913815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |