Patent US2780837A successfully refreshed from Google Patents.
US2780837A
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US
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Method of embedding metal profiles in ceramic masses
Assignee: Individual
•
Filing: 1951-11-27
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Granted: 1957-02-12
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Math Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:17
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/28; H05B3/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1614506A
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US1599924A
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DE410376C
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US1654292A
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US1767586A
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US2106578A
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US2175672A
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US2363329A
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US2477121A
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US2535100A
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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) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |