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US2983078A
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Method of sealing a vitreous conduit
Assignee: Westinghouse Electric Corp
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Filing: 1957-07-12
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Granted: 1961-05-09
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Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 George R Mistler
- 👤 Louis L Nicolaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:46
CPC Classifications
C; C03; C03B; C03B21/00; C03B21/02; C03B23/00; C03B23/18; C03B33/00; C03B33/08; C03B33/085; H; H01; H01J; H01J9/00; H01J9/40; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/283; Y10T83/293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US787428A
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US2014471A
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US2273441A
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US2442608A
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US2464765A
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DE822713C
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US2561838A
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |