Patent US2677876A successfully refreshed from Google Patents.
US2677876A
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Method of fabricating a valve member having a body and seat of different metals
Assignee: Bardco Manufacturing & Sales Co
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Filing: 1949-09-26
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Granted: 1954-05-11
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Expires: 1969-09-26
Abstract
No abstract record available.
Inventors
- 👤 Roy E Juhnke
- 👤 Castera George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:39
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/04; F16K27/044; B; B22; B22D; B22D19/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316588A
Cited
US362059A
Cited
US476313A
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US496136A
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US709491A
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US1103591A
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US1390750A
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US1729747A
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US1895219A
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US2157453A
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US2255184A
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US2220210A
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US2290249A
Cited
US2242441A
Cited
US2312579A
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US2482841A
Cited
US2483056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |