Patent US2482494A successfully refreshed from Google Patents.
US2482494A
Expired / Lapsed
US
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Method of making glass-metal seals
Assignee: Westinghouse Electric Corp
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Filing: 1943-03-23
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Granted: 1949-09-20
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Expires: 1963-03-23
Abstract
No abstract record available.
Inventors
- 👤 William J Knochel
- 👤 Jens J Aakjer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:43
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1740443A
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US2062335A
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US1884665A
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US2006568A
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US2043307A
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US2238599A
Cited
US2167431A
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US2279168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |